VOR-DME writes:

Just a very non-constructive attitude that prevents him from acheiving any
in-depth understanding of aviation, or probably much else.

Actually just a refusal to submit to people who want to believe themselves
superior.

Perhaps it's just his fear of airplanes and flying that prevent him from going
any further...

But I don't have a fear of airplanes. It's more a question of money and time,
and for actually being a pilot, health.