I think the main use for the anon subs is for cowards with unpopular opinions to voice them. I personally think that’s stupid on Voat since there’s not only no censorship in the system subs, there is a strong ethos against it in other subs. So there is little to fear about voicing unpopular opinions. However, given the restrictions on using the site if your CCP is too low, there could be a legitimate fear, I suppose.

While the anon subs are certainly used for shilling and other silly purposes, I think it would be just as cowardly for Voat to get rid of them as it is for faggots to regular use them. If liberals and/or trolls want to play around on the anon subs, I don’t see why they shouldn’t be allowed to do so. If there really were a way to harass people not participating in the sub, I could see an issue, but as noted by @Native, you can now prevent being pinged if it gets to be too distracting.