>>100955552It's not that others haven't tried. It's that DC superheroes can actually get away with it without a war or an apocalyptic threat arising as a consequence.
Most DC heroes do charity work on the side (rebirth means that the gap in their charitable work caused by nu52 no longer exists)
Thor tends to help people out in his spare time.
Reed Richards has constantly had his work repurposed for evil so often that even a damn uniform patch has been at the centre of a vast criminal conspiracy between all evil organizations on earth.
Pym actually quit being a superhero for several years to try and research super science to better humanity. Ultron was an attempt to find a solution to all of mankind's problems.
Tony Stark is a dck so he mostly just takes away stuff then calls himself a futurist for stagnating technological innovation.
A few of Peter Parker's inventions have been used for things like easier organ transport.
There's probably quite a few others but I can't think of them all off of the top of my head.
Cable originally made Utopia and Cyclops stole the idea (after he helped try to take it down) so that he could do a bad job of copying it a few years later.