Traditions can be good or bad. They are the building blocks of any culture, and while a lot of those building blocks can be very negative, like oppression of certain groups or enforcing certain questionable actions, traditions are also what forge some of the most interesting elements of the world.
I quite enjoy Christmas, which, in my family, and many others, is basically a tradition of kindness and interpersonal love. I'm also a big fan of Japanese culture, which wouldn't exist without the traditions with which it is formed.
Do you like certain foods, perhaps Mediterranean, Chinese, or Mexican? Those are culinary traditions made manifest, and they add color to our world.
Traditions and human culture as a whole are intertwined. There are incredibly awful things done in the name of tradition, but there are also wonderful things.
From my perspective, the most constructive and positive ways to eliminate the negatives of traditions is to, somewhat as you suggest, examine them and choose which ones we follow and which ones we work to evolve; contrary to popular thought traditions are never stagnant.