No, the real reason was that country wasn't producing enough jobs for the expanding labor force so we artificially created a new requirement to keep young people out of the job market for an additional 4+ years. Credentialism is a tool governments/businesses use keep control of the labor situation. The college tuition fiasco is a private/public creation. Now who wears the pants in the private/public relationship, tha…
We now inhabit a world where no one is encouraged or even expected to do a trade (well except for the modern slave caste: illegals). The result is lots of HS grads who should be getting an Electricians degree instead trying to do a 4 year program.
The result not only inflates tuition cost, but also leads to 'degree inflation', that is everyone now has a degree. Therefore, this amps up the arms race so a Bachelors is no longer special, thus maybe a Masters or PhD is needed.
The colleges are all too happy to force kids into a lifetime of debt to sell them useless basket weaving and gender studies degrees.