Ask Lemmy

I'd also add, for people who feel that they don't have a good way to "hang up" on a conversation that they don't want to be participating any further without making it look like they agree with the other user, the convention is to comment something like this:

"I don't think that we're likely to agree on this point, so I'm afraid that we're going to have to agree to disagree."

That way, it's clear to everyone else reading the thread that the breaking-off user isn't simply conceding the point, but it also doesn't prevent the other user from responding (or, for that matter, other users from taking up the thread).

EDIT: Also, on Reddit, I remember a lot of users who had been subjected to the "one more comment and a block" stuff then going to try to find random other comments in the thread where other users might see their comment, responding to those comments complaining that the other user had blocked them, and then posting their comment there, which tended to turn the whole thread into an ugly soup.

Also, with Reddit's new system, at least with some clients and if I remember correctly, the old Web UI, there was no clear indication as to why the comment didn't take effect

it looked like some sort of internal error, which tended to frustrate users. Obviously, that's not a fundamental problem with a "blocking a user also prevents responding" system, but it was a pretty frustrating aspect of Reddit's implementation of it.