Actually, that’s not far from the truth. The reasons are:
Lack of contribution. If someone isn’t doing actual programming work, doesn’t have time management to maintain libraries, or isn’t contributing successful applications, it’s hard to take constant criticism seriously.
Only showing up to complain. Some people disappear for months and then reappear only to complain about design decisions, like "Why were multimethods removed in v3?" or "Why isn’t the pragma syntax like Python’s?" That tends to lead to the assumption that the language is "someone’s toy" just because features change or it’s not a drop-in Python replacement.
Focusing on gossip instead of technical merit. Complaining that a moderator was unfriendly is missing the point. Moderators change over time. The question should be whether the language and the ecosystem are valuable to you, not whether you personally get along with every individual on the forum.