With how powerful Ghidra is now, I'm not sure that it matters much any more.
As a sysadmin (having spent 30 years dealing with desktop software) the attitude of the people who gave you that direction make me seethe with anger. Crackers gonna crack. That just hurts the people who have to make the product work in their environment.
I wrote a blog post about this recently: https://landaire.net/reverse-engineering-with-ai/
Just yesterday I completely reverse engineered several proprietary audio codecs from a game without even having to touch the static analysis tool myself.