Of course it sucks. And I'm not reproaching Spider-Man for mourning Gwen or thinking about her constantly.
But it's still a problematic trope that walks almost hand-in-hand with fridging ("Raise your hand if you're a superhero with a dead girlfriend!") and often leads to the "I'm ending this for your own good!" stuff seen here, which can be gratingly paternalistic. Combined with the anvilicious "See how good it is we put in the genie back in the bottle and undid the Spider-Marriage, because it means he won't have a love interest in mortal danger!" spiel Daredevil just gave Spider-Man, I'm rolling my eyes here. (Plus, we almost never see this situation with a female superhero and male love interest.)