Are you saying you always play against people that do that? Holy crap, I'm impressed. You and your opponents are better than pro's.
Good point. Now, how many heroes can do that?
My point is this: you had a couple of bad games, where your support was too busy farming his shit and at the same time for some reason (god hates you?) you were facing a setup that can harass you easily from range. Now guess what: shit happens. And when it happens, you should try and minimize its effect on you by playing as safe as possible and staying as far away as possible from the creep wave, while still getting exp.