Campus cities can be resistant or even immune to resouce depletion/indusrty moving on (universities+big tech+a startup ghetto:)). But how do you attract them?

Campus cities can be resistant or even immune to resouce depletion/indusrty moving on (universities+big tech+a startup ghetto:)). But how do you attract them? I was really excited for Shenzen but it sadly got demoted from up and coming international center to... whatever it is in todays political climate.