There is a theme to some of the new user accounts on MESE. I believe that this is not specific to Math Educators, but is rather a larger problem across StackExchange. Still, I thought it was worth drawing attention to on the off chance that the accounts start to function in some fashion.
For completeness, here is a question:
What can be done to prevent these users from registering, or maintaining, MESE accounts?
And, for posterity, here is a screenshot of the new users organized by creation date:
