Yes, yes, and he walked on air and turned water into milkshakes, yadda yadda.
Sorry, but while we can analyze what he did do in the environment he existed in, assigning these mythical values to him simply because he died so early on in the development of mass media, and assuming that he would have been exactly as you think he was - and would have remained so as the market changed - is just fan mythmaking. Had he lived another few decades, you very well may have felt differently about the things he may have done.
I get it - things have become more intrinsically tied to IP. But it's a train that he started running and was already progressing on. Train is actually a good term to use - because aside from the things in the parks that were tied to films (again, haven't seen anyone have any excuses for Sleeping Beauty castle...) they were tied to his personal interests and not some esoteric, lofty academic notions. Trains. Pirates. And let's be frank - large chunks of the original Disneyland that weren't tied to Disney IP was filler to get stuff in place for people to do when it opened.
Most of the fan notions go back to Pirates, and HM. Pirates was because he had a strong interest in pirates. HM was because every theme park had a haunted house and he wanted to do it better. He was all about quality, but so much of these notions people have about him are far later inventions that only theme park fans seem to hold.