It is a long-standing fear amongst HNers, because HN was created as an alternative space due to reddit declining. [1] It's such a prominent thing that it's in the site guidelines: [2]
> If your account is less than a year old, please don't submit comments saying that HN is turning into Reddit. It's a common semi-noob illusion, as old as the hills.
That said in this case I agree with you.
I also think we are mostly fine for now but I still hesitate to upvote funny comments.