There are different levels of "opsec" required against different types of adversaries and different types of costs of being compromised. Edward Snowden's opsec looks a lot different than someone just wanting to post Trump slogans on Twitter.

If you want to be anonymous from an internet mob, you’ll need some pretty good opsec. Simply avoiding using your name won’t be sufficient. They’re not the NSA, but OSI can get pretty intense.