Use an Instagram-specific site container to isolate your activity from your normal browsing. Imo this is really the only thing that matters that doesn’t have to do with your self control. You want to make sure Meta gets nothing from cross-site tracking and containerizing IG should do that. Also, don’t visit links to and from IG. Look it up manually through IG search.
Only for games made with UE, so probably doesn’t affect the majority of smaller/indie games. Instead, Epic should keep the fees and reinvest in their platform since it looks and feels like EA’s Origin circa 2015.