It's possible he knew more about yahoos future rather then specifically about his particular product being bad.

Internet radio was absolutely a thing, think iheartradio, it's fucking massive now, sure their main business isn't internet radio anymore, but it's not like there was absolutely nothing of value there.

For "every station can just make their own site" sure, but look at the state of streaming services to see how that ends up panning out. Not to mention the difficulty and ongoing costs associated with that, especially back then, much less plug and play stuff.

Not saying I support Cuban, he's definitely part of the class that constantly exploits us, just had some specific critiques lol.