also people often treat it as the beloved kind of "small person who know better even through everyone told them they where wrong and succeeded by not giving up" story
but the funny thing is the more you learn about him the more you might realize how wrong all of this is
firstly he hadn't had success because he knew better (and people didn't believe him) he had success because he insisted that his absurdly wrong calculations where correct and then had a absurd amount of luck. (In educated circles of that time not only was it well know that earth was a globe, it rough size was also known. The reason he believed he could sail to India was because he insisted that earth was _way_ smaller then it actual is (and also was believed to be in general back then). It's just people (including him!) through there was no additional landmass between the west of Portugal and ~east India. Consider sailing that route on a world where America is just more water... pretty much not viable with the tech of that time).
Secondly if anything he was a villain, to a point even the Spanish Inquisition called him out for his bad behavior against native Americans...
So I agree, no reason to give him any more attention then any of the many other half assed villains which lucked out in human history.