I'd like to be able to ignore users
There are certain individuals writing WOTs for the lamest of episodes imaginable without saying much on a regular basis, or people deliberately spamming the comment section with multiple (different) >1k character comments (but 0-1min timestamp differences).
I'd like to set a user to be ignored to not see his/her reviews and shouts (or replies). It's greatly annoying to see that a recent episode has like 6-9 comments in total whereas 4-6 are from the same person upon expanding the comment section.
Or see yet another review talking hot air about redundant, petty things for thousands of characters, pretty much without being able to get a single point across with just a few words.
To each their own, for others there might other people they'd like to not see comments from, who'd benefit from this greatly.

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dgw commented
This seems like a natural extension of the "Hide" functionality. If we can hide shows and movies that we don't want to see, why not also users whose comments we don't want to see? I can think of a couple users I would use this on if the feature existed.