A UHD Bluray tops out at about 150Mbps, most home internet is capable of that. It would just cost too much for the streaming services to support it.
But also the reality is that most people have their devices connected through a shitty wi-fi connection and may be effectively limited to 50 or even less mbps, specially if you consider the unpredictability that comes with it.
But also the reality is that most people have their devices connected through a shitty wi-fi connection and may be effectively limited to 50 or even less mbps, specially if you consider the unpredictability that comes with it.