Avi Loeb is called by other people in his field a Crackpot scientist, he’s been producing a large amount of very short papers over the years about a wild array of subjects, basically casting a large net on a set of ideas.

This enables him to then be referred to on any studies that does the real research on of these numerous topics and collecting unwarranted citations.

More on this topic on the personal channel of Dr Angela Collier-Castro whom i wholeheartedly recommend watching: https://youtu.be/aY985qzn7oI