Is this really that much of a problem? Like, even if you only get 1 random bit out of 100, you just sample and hash 100 times as many samples. What can you do w

Is this really that much of a problem? Like, even if you only get 1 random bit out of 100, you just sample and hash 100 times as many samples. What can you do with quantum noise that you can’t do with thermal noise?