The more you read about that shithead edison, the worse it gets. The asshole acted with an impunity that defies modern logic.
As it was, there was no social media and our current sensibilities back then, information took much more effort to spread, so way too many people have revered him as some sort of saintly hero. Word didn’t spread about how narcissistic and petty, how cruel to the point of savagery, he was.
That goes ditto for Marconi, his “billion-dollar innovation” consisted of stealing every academic research idea and design within reach, and patenting every single one as his own.