No, of course it wasn't. If you can't put your internet handle behind your thoughts, it doesn't say much for your argument. Period.

"To some degree"? Surely. It could have influenced you to spend a few seconds checking whether the account was a throwaway. I think that would have been entirely reasonable.

But it didn't influence you "to some degree". We can be more specific than that. It influenced you to accuse the account of being a throwaway without spending a few seconds to check.

I do think that was mildly unreasonable. Not super unreasonable, but mildly.

I don’t feel super strongly, but I kind of like that people don’t know which “throwaway” I am. They don’t recognize my username from prior conversations, so they’re less likely to think, “Oh that guy agreed with me last time, I’ll give him an upvote or an agreeable comment” or the inverse. People are more likely to consider my arguments on merit, the GP notwithstanding.