I think it preloads a shitload of stuff ahead, before you deciding to watch it. Predictive caching. Engineering talent is historically mostly China based, and

I think it preloads a shitload of stuff ahead, before you deciding to watch it. Predictive caching. Engineering talent is historically mostly China based, and over there they can get Silicon Valley quality people for half the price and twice the working hours => order of magnitude engineering cost advantage over all the companies you mentioned.