It’s bad to under-represnt issues. But it’s also bad to over-represent issues. The right answer is almost always in the middle.
The stuff you see in the news is carefully selected to show what makes people the most upset, that way it gets the most clicks.
In the past, women were subservient to men, black people were slaves, and being queer wasn’t even allowed. Nowadays, things have improved a huge amount. There are still problems, but nothing like the past.