Earlier quoted context omitted.
First: citation needed in spammers using paid accounts. Why would they pay to spam, go through credit card fraud detection and so on when a free account is (by definition) zero cost? Mind you, I am talking about pure spam and not crazy sophisticated phishing scams. Those certainly exist in Twitter. Second: scale. Twitter has millions of users, it is not profitable and is suing advertisers in a desperate attempt to ju…
Spam is not just unsolicited commercial messages. Remember: Stupid Pointless Annoying Message. The worst I see on Twitter when I peek in come from checkmarks. Cryptocurrency shills are some of the worst offenders and they seem to have taken over.
That looks to be retrofitted, not the origin of the term.