(I want to be clear: Speculation ahead.)
Mobile phone providers and internet providers (in America) seem to be setting data caps artificially low and saying that it covers the most common use cases (98% of customers) so it shouldn't be something we have to worry about.
Except that I imagine these very low caps are long play to justify price increases when using 4 or 8 or 20+ GB per month on your phone becomes the norm, or 600GB/month on your desktop becomes the norm.
Hopefully Google (and other companies) can show consumers in America (and perhaps elsewhere) the possibilities of large amounts of data over the wire TODAY so that its not a slow climb to higher caps, but a more abrupt shift for some that leaves far more complaints at Comcast and Verizon's door.
They won't reply to power-user consumers, they don't care. One only hopes they'll reply to mass consumers using their competition, even if it is merely tangential competition for the most part.