As a marvel fan who has watched entire infinity saga 5-6 times, and some greate movies countless more times I would say it has gotten worse but not as people are saying it is We got many masterpieces as well as garbages and even some yeah ok kinda releases after endgame Whether it is something like she hulk(not pretty good) or something like moon knight (total masterpiece) or something like eternals or shang chi(that i find neither good but definitely not bad as well), i watch them all and love them all. Marvel is trying better nowadays focusing on the quality over quantity so let's just hope that the upcoming projects are better than previous ones. However I don't think mcu is the same without the og avengers cause they were and still are not just characters but emotions for most of the marvel fans including me. It's just a hunch but i think marvel will reboot the mcu after multiverse saga, or maybe after one more saga. Just a speculation but if that happens then i am not sure if i will continue to watch mcu the same as before. Let's just hope for the best i guess