This is a great short analysis, but I think the generic recommendations are a bit strange when tacked onto it
Firstly, who knows what to expect from the Twitter X changeover. If I had a blue subscription I wouldn’t not (!) expect to get an email about migrating considering the chaos so far
Then the email is verified as coming from Twitter, and sends you to the genuine Twitter API. No amount of 2FA or antivirus is going to save you here