As far as I can remember, I've only blocked three logged-in users:
Ric, who just yesterday created a user account and then copied my User and User Talk pages to his pages.  I blocked him and deleted the pages.
Wik, twice, for the same violations -- blanking articles and reverting useful content.  And both of those times, I reported it on [[Wikipedia:Conflicts between users/Wik]], so those were NOT "sneaked in under the tent flap".
And JoeM, a repeated, massive POV vandal, who nobody seems to have a problem with blocking, even though it didn't take months to get it accomplished.
 
Besides, when somebody is blocked it appears in the Recent Changes, and on the [[List of blocked IP addresses and usernames]].
 
RickK

"Poor, Edmund W" <Edmund.W.Poor@abc.com> wrote:
Whenever I've blocked someone (other than anonymous IP) or taken any
other unilateral action, I've always immediately reported it to this
mailing list.

Then I've sat back and waited to see what others thought. And if the
consensus went against me, I bowed to the collective will.

A lot of these hasty blocks seem to have sneaked in under the tent flap.

Ed Poor, aka Uncle Ed
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