I have to ask if people actually believe the following points:
1) Higher (post-secondary) education teaches people to think critically.
2) Higher education broadens people's worldviews.
3) A degree proves that you finish what you start.
1) It can, but at the same time it's not a guarantee. Plenty of people come out of college with the same poor level of critical thinking as they went in with. I've seen it too many times.
2) No I don't. What broadens peoples word views isn't post-secondary education, it's the real word education you allow yourself to get. Most of what I learn about life and the world around me has come from allowing myself to accumulate a very diverse group of friends that covers many different religions, cultures, morals and values, carriers, etc. I have a friend who is in med school, I have a friend who spent 4 years on the street working as a prostitute. I have friends that are Catholic, friends that are Muslim, friends that are Athiest, friends that are "religiously and spiritually independent, etc. I have friends from literally all but one continent (guess which ). The rest of what I learned is from my own personal experience, outside of the synthetic "real world" provided by colleges and university. It takes more then a formal education to broaden your world view.
3) It depends on the person. For some it shows they finish what they start or they keep going despite the road blocks that crop up. One friend is in university finally finishing a degree despite financial, bureaucratic, and real life road blocks that cropped up because it's something she truly enjoys doing. For others, it merely shows an inability to take control of their own life. They are there because someone somewhere (usually parents) tell them they need to be there, whether they want to be or not. If I were a business owner, these are not the kind of people I would want working for me.
I have a BSc is Physics. I enjoyed getting my BSc in Physics and currently have a plan to extend it further. I'm occasionally questioning that though because I thoroughly enjoy the job that I have now (well have when parental leave runs out and go back to work). I'm a server at a restaurant. My last job, I was a server at a restaurant. When I started it was a temporary "until I get my degree" thing. When I lost my last job due to the restaurant closing, I actually found myself looking for other jobs in the same field not because I had the experience but because I missed it.
DH has a high school degree and that's it. He works in an art supply store and loves it, and makes a decent amount of money. Most of what he makes though is through contract art jobs he takes on. That is something he loves even more and does even better with it. He dreams of one day being able to live off of being an artist. He's a bit behind the times though, because we would in fact be able to survive off that income alone. I think part of him doesn't want to admit it because of how much he does enjoy the job at the store.
Finally, the highest paying job I ever had was the band I had in high school. Dh hired on as a drummer and was able to leave the job he had at the time that he hated and spend more time with DD just by playing gigs three or four times a week.
If it's what you want, then higher education is good thing. If it's not what you want, then it's not a good thing. If you aren't sure about what you want... Well the idea that you have to be young and free to get a degree is a complete lie. My program at school had a man in his 50's getting a degree because he finally figured out what he wanted to study in university.