Bonus points for isekai because I love that shit.
This is the problem. The things you have a problem with are particularly common tropes in isekai. If you look past isekai, I’d say most anime don’t have these “problematic” things, so maybe you just need to broaden your horizons. Can you give examples of shows that you were unhappy with recently?
Looks like the 2015 research was with isolated neurons, whereas the 2024 research is with live mice and gives actual evidence that memory is affected.