Having finally played through the whole thing properly this year on Switch, I'm the side of it being a genuinely good game, just not a great one.
The suit powers are cool and make you feel like a badass, the interactivity and freedom are nice, but it does kinda lack that special spark that makes a game a real classic. It's hard to put my finger on exactly what that is, but I guess it just kinda feel like it didn't quite live up to the potential its concept promised in terms of creativity. Still decent fun though.