Nobody likes spam e-mail, telemarketing calls, unsolicited group texts, or tagging everyone on Discord. Surely you can see how your previous post fell into that same category. Create content that draws an organic audience through quality, and engage with other people on their own posts by discussing their content.
I won't be downvoting this post, although something about the wording here sounds more sarcastic than sincere:
I apologize to all of you for the insolence of writing your nicknames and disturbing your invaluable attention and time.
It is precisely the unwanted demand on time and attention - two incredibly scarce things - which caused the offense.