I was excited when it was announced but I tried it for a few hours last night and it just felt like having whims you couldn't cancel. Most of my sims "wants" didn't feel particularly appropriate to her personality and she never had a single fear. Honestly I don't see the point of random thoughts telling me that my sim may want to listen to music or play video games since she does that anyway if I have autonomy switched on. This new feature just feels like a rebranded version of whims, so for that reason I'm keeping it switched off.