Yep, here even if I'm alone at home because the provider sells much more than their infraestructure allows I get a very shabby service.
That sucks, I'm really sorry to hear that! My experience in Canada is that the home internet companies tend to be very good in general. We pay higher prices than you might in other countries, but at least you get a very high level of service too. Same dynamic with mobile phones and mobile data, Canadians pay a higher price but also rarely suffer any kind of network congestion. So it's a get what you pay for kind of thing. But that means xCloud works flawlessly for me, at least, even for action games. I honestly forget that I'm playing the game over streaming!