A valid criticism. Coming from the mouth of something trying to replace it with something worse. A classic villain move.
I did enjoy the old EU Luke being a more reformist and grounded iteration of Jedi teachings. He started by rejecting Yoda’s warnings not to try and save his friends. He put friends over the high minded ideals of Jedi enlightenment right there in Empire Strikes Back. Then in ROTJ he spent the entire movie rejecting the obvious approach of simply killing Vader, instead trying to reach Anakin. Over and over Luke put people he cared about over esoteric codes.
(Remember when the original trilogy and much of the EU establishing Luke was written, the prequels and Clone Wars hadn’t been fleshed out, and Jedi were implied to be even more high minded and classical than they were shown in the prequels).