False positives are always preferable to the person who gets to make them.
They're somewhat less so to those who end up being the false positives.
If your hobby's main forum on the internet dried up and withered away 12 years ago because the only place to discuss it is reddit, then it's not as if such a person can just go elsewhere. You have a monopoly on the conversation and you're clearly not interested in justice anywhere near as much as you're interested in kicking out people you just don't like well enough to care about justice for them.
They're somewhat less so to those who end up being the false positives.
If your hobby's main forum on the internet dried up and withered away 12 years ago because the only place to discuss it is reddit, then it's not as if such a person can just go elsewhere. You have a monopoly on the conversation and you're clearly not interested in justice anywhere near as much as you're interested in kicking out people you just don't like well enough to care about justice for them.