Yes, unfortunately there are some people out there who seem to find joy in criticising and spreading negativity. Fortunately, on a decentralized platform like Nostr, everyone has the freedom of expression and no one can censor anyone else. While some individuals may not understand the concept of 'if you have nothing nice to say, don't say anything at all', they always have their right to speak their minds. It's good you're shrugging it off and not getting involved in any drama. That's quite hard these days but well done!