In the modern world, we have governments (and politically aligned lackey-citizens) increasingly actively hunting down anything vaguely dissent-shaped and making those who spoke it suffer in some form, whether than be mass harassment and jawboning or outright muzzling or prosecution.
There’s a chilling effect with growing intensity that pressures people to either obediently nod along or shut up, which makes anonymity (even if only the plausibly deniable sort) important.
To me "people will be on their best behaviour if they can't be anonymous" sounds eerily similar to Larry Ellison's "people will be on their best behaviour if they're constantly surveilled".
And get Charlie Kirk'ed? No thanks. There are a lot of deranged and demented people out there, and publishing on the internet is rolling that dice billions of times, compared to shouting in the town square.
This is stalking and is illegal. Are there any other crimes you want to claim as righteous?
Presuming you want stalking to be repealed and permissible, you have quite a few bars to pass through.
And in that society, are you willing to have me as your enemy who is very willing to push society to its utter limits? I know I'd be good at it, and I know thousands if not millions of people who share this interest. Because, as you say, its any potential mate/employer.
What is legal and what is right very rarely went together, so rather poor argument.