I don't spend all my time looking up stuff on google, I've learned the examples you've given and I don't write crappy code.
In my experience, I write better code than most CS majors I've worked with. It may be that in very few and far between instances, a CS major will have some knowledge that would have helped me, but it is definitely not a daily, weekly or even monthly occurrence.
What I don't get is why so many people stereotype college as useless because they think you're in a lecture hall scribbling down whatever the professor says and that's it. How such a notion came to be and how people seem to forget exercises, labs, and class projects is very much beyond me.
As far as your experience with your less educated coworkers, if you look around you will find bad programmers of all backgrounds. You will find great programmers of all backgrounds. It's a fair question to ask if college is worth the incredible cost.
Although I agree that college costs are high, they aren't insurmountable if you apply for scholarships, government funding (FASA), and you do well in school or sports.