Starlink is a futurist project which is really what Elon Musk wants to be. For something like Google they wouldn't do this typically because as a company and their leadership they aren't futurists. Google has typically invested in existing viable technologies and forced them into a lower price point to make them more available. Google fiber was introduced 14 years ago when that kind of speed was unheard of. At the ti…
But their CFO (excellent, loved by everyone) had major traditional telco background, so GoogleFi was natural idea, despite it's limited market traction. And you are right -- Google dominant mindset was "ad supported" everything.
Separately, Musk of course was physics major. Google 99% CS. So mindsets and ideas vary (with plenty of overlap too)