Because you seems to not have enjoy all the possibilities of life's meetings.
If your conclusion is really that.
It is your conclusion and i respect that. You seems to be fine with it.
But sometimes others can be a complete mind changer in a good way.
So perhaps you miss opportunities, perhaps not.
But i think it is a little sad to think every others can't help building you (and worse they are "in your way"), or to be more precise give you some materials that help you to build you.