"Why doesn't everyone share my exact tastes!? I don't understand!"
Because each person is a unique individual, with their own life experiences, tastes, desires and ambitions. This is a good thing and should be celebrated, not reacted to with fear and outrage. Our differences are how we all grow as a species, and opening our minds to these differences is how we grow as individuals.
Why not make a genuine attempt to understand why people like the things that you don't? You may find your own tastes and broadening, opening yourself up to a wider world of enjoyment. At the very least, you will gain a better understanding of your fellow man, which will help you to be patient with their foibles and to take joy in their happiness.
Or you can continue to scream angrily into a void, and alienate people who might otherwise have become good friends. That's fine too, I guess.