If you don’t have the energy to implement relevant features you already run a failed business you should be criticized for.
Time can be an excuse, but not always, Regarding registrations with multiple accounts, it isn’t. There are a lot of simple ways to lessen this issue, both technically and organizationally.
Don’t forget that this talk about fake accounts is just all just presumptions. We don’t know whether the percentage is at 0.01 or 50. A lot of reasons have already been mentioned as to why one may have not registered earlier.
Just posting in one of them pushes the topic up. That should give you enough attention.

. Crossing fingers till tomorrow. 
.

p.s: sorry for my bad english