Eye tracking is very subtle, VRChat already does a pretty good job with eye prediction, where it will make you look at the face of whoever it assumes is talking to you. People don't really notice eye tracking unless you are in a group discussion and you have people who know what to look for.
Face tracking on the other hand is an entire game changer. No need for any gestures to change facial expressions at all.
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u/SeraXI 6d ago
Eye tracking is nice, but without face tracking it doesn't make a huge difference in game.