it would raise the stock value of rocket producers like SpaceX and Blue Origin.

Nailed it. Data centers in space is an objectively terrible idea but most people are too stupid to understand why. They see it as free real estate in the ignorance of the logistical problems of constructing structures in space large enough to be of any use, let alone powering and cooling them. The failure of the American education system has made the populace an easy hunting ground for modern Snake Oil salesmen.