Not 3 years for sure. Knowing Animo he always delays things. Not because of greed like many suggest but because of low experience and incompentence in 3d games building, which is something normal, he is still learning. My prediction in september was july-september 2024. you are right, assets, textures, all the basic things are done, now only cutscenes and environment remain, with adding some animations. He made a poll where he asked us how would we like to implement fast-travel(there will be fast travel in the game)
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So I think besides the main episode 2 features, he will also add lots of new things and subscribers suggestion so it will take some time.
My prediction still stands: August-September 2024 but I might be very wrong. He himself said that it will take much less time