You could say there hasn't been any good new music since 1970 and humans have been making music for thousands of year. Or you could try out the many new genres and eventually find something new and exciting.
it just seems like a very boring way to live out your life.
It’s entirely possible that we’re in a period where most of those with creativity have just stopped making movies. Interestingly, I find TV has everything movies are lacking, creativity, originality, even big name actors that used to make movies.
90% of any content is crap but you're missing out if you like movies and you haven't seen Sinners, The Bone Temple, or NOPE (to name a few recent great theatre watches).
It cost me 50 eurodollars for two tickets. And people complain Netflix is expensive!
Everything changes and evolves. Fashion, music, games, young adult fiction, memes.
You wouldn't limit yourself to your grandparents' taste, would you? (I didn't say parents because some kids are instilled with parental preferences. I grew up around kids in the 00's who said the Beatles were the peak of music - obviously learned preferences straight from their parents.)
You might not understand youth culture because you grew up before them and have different tastes. We're imprinted with preference and nostalgia for our youth, and we can see changes to that as a hideous affront. The next generation is meanwhile going through the same cycle we did.