They tried hardly to be a new 9gag and ignored the fact that most people were just using their service as image hosting only.
Please, apart from image hosting, what other services does imgur offer? 
I don't even bother to browse the site let alone to create an account. I knew them through this forumQuote
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So I thought imgur is no longer allowed to be used to post image on forum since theymos made his new rules, and now talkimg and imgbb are the solution.
Oops! That's a harsh decision on them from theymos, but I have nothing to say than they deserve it.