I don't expect people to carry on their personal relationships.
I do expect that nefarious and intentionally harmful actions don't get multiplied by people who do NOT have a personal relationship with their target. I also expect that people who are uninvolved don't laud and support the nefarious actions in the first place.
There's a clear downside to this behavior. Honestly, I'm baffled that it's not obvious to all of you. Or perhaps you just choose to ignore it when it suits your needs.
First off, the definition of what I'll loosely call "heresy" is fluid and highly subjective. Today it's "nazi" and that all seems well and good. But "actual nazis" these aren't. Already, they're not members of the actual nazi party, so there's an immediate fail. So we have to redefine that to "nazi-like" and rely on their beliefs - or at least what we infer their beliefs to be. So far, I can get behind that based on the names of the domains. We infer that this person holds antisemitic beliefs. And perhaps enough of us today view that to be socially unacceptable. But you should know from observation that many, many people aren't so narrow in their definition. Many, many people have expanded their applied definition of nazi to mean nothing more than right-wing, or even simply conservative.
So now, you're giving license to see anyone who is labeled as "right wing" or "conservative" to be doxed, harassed, and fired because of their beliefs. And THAT is not reasonable or appropriate behavior - that is exactly the behavior of fascist authoritarians and religious zealots.
Second, you're relying on a naïve assumptions that the only targets of such action would be what I'll loosely call "enemies". People who are in opposition to your own social values and objectives. You assume that the actors behind such nefarious actions will always hold the same view as you. But that's a sophomoric assumptions, as should be clearly obvious by even a brief skimming of history. There's no reason to think that in another few years, in a decade, in some relatively short period of time, the "orthodox" view will shift, and you'll find yourself the one labeled as the heretical "enemy" subject to doxxing, harassing, and firing on the basis of your beliefs.