I believe the image problem Strafe has comes from the "Perma-Strafe" builds- whether depending on Vengance + Health Globes, Prep-Punishment, Bat, M4D, SP, or SS to return Hatred rather than including a Hatred generator in the build. That is a tough route to go and tends to break down when you can't kill quickly or don't have mobs around. Gear requirements are at the godly end of the spectrum if you want to do high MP, and the build still does not put out as much damage as some alternatives. This is why it is considered a "Low MP" skill. Now with a ring that says "Strafe costs no Hatred" I could slot Ball Lightning in place of either Prep-Punishment or Bola, but unfortunately those don't exist (yet).
So here are the false statements that have been perpetuated about what you need for a Strafe build:
Attack speed is bad for Strafe. False. Attack Speed does affect Hatred drain with Strafe, but is only problematic if you are using Prep-Punishment for your Hatred generator. If you slot Bola, Hungering Arrow, Grenades, or Entangling Shot a higher APS will generate Hatred much faster when you are using them, and you should be using something that can target a specific enemy while standing still in many situations IMO.
You need over 60% ChC for Night Stalker. You need lots of Max Discipline. False. This depends on your Discipline usage. If you're burning 25 Discipline on Punishment and you still want to use Shadow Power, Smoke Screen, or Caltrops then this is true, however if you eliminate Punishment and use a generator instead you only need about 45% ChC and no Max Discipline. Not that either of these stats are "bad", more of either is helpful. It is just not required.
You need +Pickup Radius. False. This is a matter of preference and play style. If you rely on health globes for survival or resources, yes +PR can be very helpful. If you have other means of generating hatred or sustaining your health then you do not need +PR. I prefer very little to none so I can more precisely control when I grab a globe.
You need at least 2/3 of the following: Shadow Power, Smoke Screen, or Vault. False. You only need one. Pick one to suit your needs. All 3 have more than one useful rune too.
Part 1) APS>2.51 and ChC=46% with +8 Max Disc.
Part 2) The Windforce build optimized for Sentry.
Part 3) The Manticore build. Note how fast the Fallen Maniac runs and that it keeps agro even when I hit smoke. I dodged the explosion but thought I died, the next one gets me.
Part 4) Punishing Spikes: Uses Prep-Punishment to fuel Hatred. Note how long it takes to kill.
Part 5) Punishing Bait: Puts Bait the Trap in place of Jagged Spikes. The extra ChC really helps out for the damage output of Chakram and Strafe, as well as increased Discipline return.
Part 6) Hardcore: This is where I learned to Strafe. I started out with both Shadow Power and Smoke Screen in my setup, but once I accumulated the right pieces I was able to drop SP and rely solely on Smoke for my oh crap button. Early on when I was still farming low MP I would get up close to mobs more often and used globes to fuel near perma-Strafe via Vengeance and use SP to mitigate the damage. These days I try to stay back a bit, out of the danger zone, even if I can still take the hits without Gloom.
So to sum it up, Strafe is good- not really by itself for high MP but it is viable. The stats and skills you need to compliment Strafe depend on your play style, your intended usage, and how quickly you can/need to kill things. The builds and gearing options I showed are but a tiny sample of what is possible, it's just what I've been doing with it. YMMV.