These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Vindicated by History: Somewhat. While he mostly expanded on what other guitarists were doing at the time, his combining those elements with his own sharp songwriting did make him quite popular in his day. His death, though, pushed him well past "quite popular" into "rock legend."