Because the second one sounds horrible to most of us here but the first one already exists and the operational costs are HUGE and you need to be reaaally big and earning a lot to cover those costs.
A webcam game is where you can show your face in a live feed video to prove you are human.
A lot of Poker game providers says that you can play on their platform against humans, but most of the players are bots. This is why some platforms uses the webcam system to prove that everyone is human.
Now the dealer doesn't really counts, and it would be useless to make it human, he can be a machine as long as the players are human.
What i said, is that BitDice could release such a game, where humans plays against humans in a poker game. And, the actual reputation of BitDice makes puts him in a better position then his competitors, as untill now, i didn't any serious scam accusation against BitDice.