If you search question X on Quora, you start seeing all sorts of rephrases of X as if X is the only thing you could ever be curious about.

The impression I got is that they more or less just show you duplicate questions, when such duplicates really shouldn't exist in the first place.

If I open a question then I basically get nothing but that question (and similar questions) show up in my feed. For someone who has passing interest in random topics (so I click on a random question every so often) suddenly having nothing but repetitive WW2 tank questions in my feed is annoying. All those topics I was told to select, btw, mean nothing apparently and never show up in my feed nowadays.

I took the chance with their data breach and required password change recently to just stop using the site altogether.

The moment you engage with Topic X, you will be inundated with Topic X in the feed, in your email digest, in additional follow ups asking "Are you still interested in X" and so on.

It leaves little room for true exploration and discovery because 1 mis-click on a topic could change your entire content experience for days or weeks.