A repetition of the truth is always valuable. Not everyone fully understands how broken our society is. Even if just 0.1% read the comment and understand something new, it was valuable. Even if it’s just a reminder, it was valuable.
On the other hand, your comment is not valuable 100% of the time. Complaining about something generally true being there, which you could just ignore if you already know it, is absolutely useless. In fact, it’s even negative value, because if your complaint was followed and someone came to the thread without the knowledge, they’d be denied an opportunity to learn.
What would theoretically happen if they refused?