I think maybe you have too strong of a focus on plot. It’s there to give structure to the breakdown of a family that is passing down mental, emotional, and supernatural problems like they’re hereditary. It’s a showcase of how a family raised to be tools can devolve when they’re finally being used.
!Personally my favourite part is the massive tone shift at the very end when Peter is finally possessed and receives his revelation. It’s a beautifully crafted scene that balances being celebratory and morbid. A fantastically unique payoff to an entire movie’s worth of buildup.!<
I’d like to remember Evolve more fondly than I do, but I just didn’t have as much fun with it as I hoped. My strongest memories are of feeling annoyed at a constantly recharging jetpack