The Cuban comment in that thread is interesting:

"I didn't miss a thing. When a company raises hundreds of millions of dollars I would have been diluted to nothing. But the bigger issue is that I'm not a fan of situations where you have to raise hundreds of millions of dollars to do tens of millions in sales. It's a lesson learned from the tech bubble

It was one thing when the valuation as a multiple of sales was in stock. It's a bigger thing when that multiple is my cash."