I encourage everyone to read up on it themselves. Other commenters have already pointed out this species is invasive everywhere outside Africa, constitutes only a tiny fraction of the mosquito population where they exist, and doesn't fill any meaningful ecological role anywhere.

> considering this has never been done before

But that's the point, it kind of has. Countless species are going extinct all the time. The only thing different about this case is it's deliberate and using a scary sounding means.