One with Everything (OwE) has been mentioned for a while now as a passive that Blizzard would like to change. You can find the rationale here, in the 1.05 Defensive Changes blog: http://us.battle.net/d3/en/blog/7155884/Developer_Journal_Defensive_Bonuses_and_Monster_Damage-9_14_2012
The strongest monk defensive skill is One With Everything. We've mentioned it before and it bears repeating - this is something we would like to fix someday, but we're going to take our time. Changes to One With Everything heavily impact existing monk gear. We still plan on addressing this in the future but will do so in a way that does not invalidate the gear monks have invested in.
OwE isn't being changed in 1.07, but it is still on the list:
Wyatt: One With Everything is not changing in 1.0.7. We still recognize it as an issue, but 1. We do not want to make any change that invalidates the existing gear people have acquired. 2. We have to weigh the cost of any change vs. the benefit of doing so. Does One With Everything feel mandatory to many monks? Yes (though not as much as it used to be). Is fixing it urgent? No.
Basically, Blizzard doesn't like the idea of "mandatory" skills. This is why they reduced the amount of damage that monsters deal in 1.05, so they could change defensive abilities and allow players to choose options that were more offensive oriented. This is why they nerfed Seize the Initiative (StI).
Except something funny happened after they did that ... more monks still use StI than use OwE. The reason for this is rather simple - it's always been easier to get more resists (since you can double stack) and harder to get armor. Therefore, for the people that can afford to do so, it's easier/better to drop some resist and end up at that golden 10:1 ratio that it is to drop a bunch of armor.
According to Diabloprogress, here are the top skills used by the top 500 Heroscore players (the order is exactly the same for top 500 DPS players as well, though the percentages change slightly):
1) Sweeping Wind: 99%
2) Fists of Thunder: 94%
3) Seize the Initiative: 88.6%
4) Mantra of Conviction: 86%
5) Serenity: 82.8%
6) Blinding Flash: 79.6%
7) Breath of Heaven: 78.2%
8) One with Everything: 69%
No other Monk skill, passive or active, is above 30%.
In fact, Monks are the only class that have this little build diversity; every other class has at least 10 skills used over 30%, and most have over 12 (Wizard have 10, but 2 others at 29.5%; everyone else over 12). Hopefully the announced changes to spirit spenders takes care of the active skill diversity, but I am concerned that there won't be any changes to Monk passives.
The problem isn't that monks can't survive without OwE; plenty of well geared monks do so. The problem is that there is very little incentive to not use it, since there aren't many other great alternatives.
The nerf to StI is the perfect example of this. Blizzard thought that by reducing its effectiveness, monks would be able to move away from it and pick other enticing passives. Except we don't have any, so nerfing StI didn't have the intended affect by any stretch of the imagination. Did you know that Monk is the only class that doesn't have 15 Passives?
What they really need to do is just beef up the rest of our passives so there is something enticing people to gear out of OwE. I look at Barbarian passives and drool. What if there were a passive for lifesteal like Barbarians have ... wouldn't that be worth thinking about switching for? Or what about a passive that gave 5% crit chance and 50% crit dmg (they should make it CC and AS for us) ... that would be an extra 22k dps for me, a 15% increase; wouldn't that be worth thinking about switching for? What if we had something similar to Weapons Master where we'd gain Attack Speed, Crit Chance, and something else (chance to proc cyclone? chance to regen spirit?) depending on the type of weapon we used? 10% crit is 19k dmg for me, a 13% paper increase and much larger in effective DPS because of the extra cyclones; wouldn't that be worth thinking about switching for?
Please do not just look at the usage rate of OwE and think it needs to be changed. Please dig a little a deeper and realize that usage rates of OwE and StI are because the other options are lackluster. Please do not just change how Spirit Spenders work without taking a deeper look at Monk abilities overall.
Please fix the rest of our passives.