Because your account was created after general access to chatGPT and other LLMs was available to the public and your writing style looks similar.

Anonymous text on the internet, especially from accounts made after 2022/2023, are like steel post nuclear tests. Everything on the planet is tainted and the only things that can be relatively trusted are steel/text created prior to the tainting event

Because only a complete sociopath (or someone replacing AI's –) would have this much -- in their copy