Some people are so desperate to find anything to be extremely nitpicky about all they do is expose their own ignorance and stupidity. Science heroes is the term used for super heroes in the world of Tom Strong because the costumed heroes and villains of that world use science instead of superpowers, hence why Gunn put the term in quotes. But if you also want to know where the science heroes were in Superman well:
Also, there is a big fucking difference between a transphobic piece of shit author retroactively making a huge change to a character that they never once hinted at in their original work and expecting some kind of praise for it and a director just saying "Huh, I think that work was a bigger influence on me than I thought. Everyone should read it, it's great".
