[bagels]

They're only 'good' because they're sterile, and capable of sabotaging mosquito reproduction. If they weren't sterile and "only produce good male mosquitos again", the population would not decrease, they would just be releasing regular male mosquitos.

[hubert123]

right, which means that eventually the entire population would be male and then die off

[sp332]

I was about to say that's impossible because meiosis produces equal number of "male" and "female" cells but... someone actually did it. https://www.fredhutch.org/en/news/center-news/2014/06/eradic...