I think you would be right if their post was substantive in relation to the topic, but it's not. It's a list of grievances almost all of which are unrelated. Despite this, it was at the top of the replies to the topic.
The deeper issue is that the comment isn't adding anything to the conversation. It's simply a list of criticisms about Anthropic. If it were an analysis of why this acquisition is so bad, I'd agree with your stance. But the only thing the comment appears to do is try to make them look bad.
In the age of AI you can't "undo the claims" for randos on the internet. I mean it was hard enough before, but at this point it's now a direct money -> speech pipeline. Reputation will matter more than ever before.