Earlier quoted context omitted.
The fact that his computer conveniently crashed and cannot backup his claims is pretty convincing?
Well since that edit of his was from 1 day ago, hopefully he does show the little proof he has remaining soon. I am wary of his claims too.
Still, it's a well known fact that authoritarian regimes tend to use all the tools available to them for spying in foreign countries. That's why Russia's Yandex, VKontakte, and Mail.ru are banned in Ukraine since 2017.