Oh absolutely. One of the absolute worst things that plague social media platforms, ie spam bots, troll farms, and influence campaigns, they haven't bothered to target Lemmy because no one was here.
But an influx of users means an increase in targets. In the same way we're settling in an learning the platform, so are they. It's gonna start ramping up real soon once they determine the optimal strategy. And the most worrying thing is, because of the way fediverse works, it is going to complicate combating them substantially.
That is maybe the biggest benefit of a centralized platform, and it's a trade off we're going to have to learn to accept and deal with.