“’Spam attacks have picked up so we’re going to have to get tighter on things like rate limits, which is going to mean more unintentionally limiting active people (false positives)’, Mosseri posted on Threads. ‘If you get caught up those protections let us know’.”

Rate limits are also what Elon Musk implemented in Twitter at the beginning of July ‘to address extreme levels of data scraping & system manipulation’.