I made life long friends in community college.
Plus college doesn't work out for everyone, better to spend 3000$ figuring that out over 28k.
If you pay your own way and go the absolute cheapest path, your spending 3k at community college for 2 years and about 14k for 2 years at a Cal State. 17k total.
Vs 14k a year at a UC and around 56k for all 4.
This really depends on your financial situation though. For a lot of families this isn't a lot of money.