I assume the argument is that there are only 21million so start there. Sure, lots of issues with trusted third parties, as with the ETFs, but as long as they all stick to 21million it should work.and even with a bit of fuckery it’s gotta be better than the printed trillions we have now? 

 Saylor can't use private keys for his publicly traded company.

It would have to be in a custodian account, with multiple keys, verifications, to serve the corporate interests. But does that really matter?

Also, Microstratagies is just starting to develop around Bitcoin. We are so early yet on corporate adoption it's insane.