Luke got his stuff almost instantly and never almost lost it all, Tanjiro was forced to learn. The entire first season was Tanjiro training, and he almost died many many times, losing his ability to fight. He also works much much harder than any mc in any anime.
Agreed. However, Luke was able to learn better because of how force sensitive he was, being the son of Anakin Skywalker. Also, more happens than what we see on the big screen. I've read all the comics, movies, the original books. He goes through alot more than what we see.