Talkativeness is more of an individual trait than a breed trait. Some hens are talkers and some aren't. The egg song is also going to be loud regardless. I also wouldn't write off standard birds as they don't require that much more room than bantams. I'd also recommend orpingtons and easter...
Birds are extremely dusty animals, even with constant cleaning and a good air filter, having a bird inside, especially in a sleeping area is risky. At the very least don't keep the bird in your bedroom if you do have an inside bird and wear an N95 mask when cleaning the enclosure
It's not that it's unsafe to eat, it's just that it's not appealing for most folks. Veins mean the egg has started developing a duckling in it. You won't get sick, but balut isn't popular most places hence the general recommendation to toss it