I am on Amethyst, it's a bot that comments under the post it says has offense or hateful speech.. lol
It's note should be visible on any client, but maybe since users are blocking the npub of the bot, you don't see its notes. Just guessing.. 

 I can't even find the bot in my search. 

 Here you are Sir 

@Tagr-bot 

 Thank you!!!  Now I can do a preemptive block. 

 ahahah you are welcome 🫂 

 Interesting, it says that you need to follow for it to screen for you? https://image.nostr.build/5d0f7aa44240ae03609ee6e8e6af62ac9d4d463d8b7270445e46a03fceac5402.jpg  

 I wasn't following him, I blocked it later perhaps 😂 

 I think they just like you, 🤣 

 🥹I am touched.. 💜🫂🫠😅 

 Sweet. Just blocked it.