See that's the thing, if your real world identity becomes linked to the account, then creating ban evasion accounts means literally having to get a new identity. Again, we see more layers of effort that have to be crossed for the intention of being able to harass someone who blocked you.

The point isn't to be perfect, it's to make breaching so annoyingly time and resource consuming that all but state actors who are REALLY determined will bounce off and just go do something else with their time.