Earlier quoted context omitted.
The real issue is that existing shareholders will all be eyeing each other wanting to exit at the highest price it'll ever be. That's a lot of selling pressure. I can't imagine many people seriously believe SpaceX is a business worth 1.75T.
Satellite internet is not a new invention- Iridium already did it and they went under. Nice for war zones and remote areas but not much else. Besides the Chinese are launching their own network which will mean a price war. And the Chinese tend to win those.
Starling is indeed very good, but it alone doesn't get spacex to 1.75T