It’s noticeably less powerful than comparably priced PCs

those are bigger, and many people that want to game on TV don’t want such a bulky box besides it.

It’s noticeably less powerful than consoles costing hundreds of dollars less

console makers are selling their consoles at a loss, because they expect you to buy insanely overpriced games or get a subscription.

I think it was said in the GN video that valve couldn’t sell it at a loss even if they wanted to, because they are essentially selling a PC and they would be targeted with antitrust lawsuits for selling at a loss

It is not customizable in any meaningful way.

I guess that’s the price of consoles and tiny PCs. you won’t be able to make them without custom components.