Aren't there lots of mosquitoes that don't transmit deadly diseases, or don't bite humans at all? They're not going to go away as a category even if we did erad

Aren't there lots of mosquitoes that don't transmit deadly diseases, or don't bite humans at all? They're not going to go away as a category even if we did eradicate anopheles et al. I mean, do the research to find out if they're some plant's sole pollinators, but otherwise I can't see anything to lose.