What if auto pickup for tomes could be attached to your character or follower through an item affix? Perhaps the Follower tokens could have affixes on them that say 'follower will auto pickup all rubies' and they would be added to your inventory automatically.

Going even further than just gems and tomes, the affix could say, 'follower automatically picks up all rare daggers' or 'follower will pick up all legendaries'.

These quality of life things would give a real use to follower tokens without increasing the power of your character. Just a simple quality of life change to save all of our mouse fingers from trying to aim and click on those gems/tomes