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<p>The whole reason for having public universities at all is that everyone (including those who do not go to college) benefits as well when more people (30% BA/BS rather than 10% BA/BS as it was before the GI Bill and the 1950s-1970s growth in public universities) in the state are educated, generating more economic activity (i.e. the educated can do more productive jobs, resulting in their spending more, which creates more jobs for everyone else).</p>
<p>Of course, if you do not agree with that argument, or do not believe it to be worth the taxation involved, then you should favor privatizing or closing the public universities to eliminate the taxation burden involved.</p>
<p>If you do agree with that argument, but do not like the idea of taxation to directly fund the public universities, you could be in favor of privatizing them, but using taxation to fund financial aid programs so that the poorer people can have a chance to get educated. But that may not be all that different in practice from the current situation (one can think of the public universities as giving an “in-state scholarship” plus additional financial aid for the poorer in-state students).</p>