Is there any automatic control in SE that removes or at least limits new accounts created repeatedly? These are three different accounts on SpanishSE created within a day of each other: And these are created a day later with the same username with the syllables exchanged: By the way, the conten...

Of late, there has been a surge of new users who venture to various communities and answer at a pretty staggering rate with apparently good looking posts, majority of which would be long and heavy with mathjax formatted equations. The initial targets were: Cross Validated, Mathematics, Maths Over...