reductio ad idolarum
A logical fallacy when netizen dismisses other netizen's opinion because s/he is/they are using their idol(s) photograph as an avatar/profile pictures
Example of Reductio ad Idolarum:
If you're using Justin Bieber/Billie Eilish/Boy band/Girl band/whatever the fuck your idol, your opinions are discarded
If you're using Justin Bieber/Billie Eilish/Boy band/Girl band/whatever the fuck your idol, your opinions are discarded