As those options get better, going back to cable gets harder, and I simply don't buy the argument that cable companies can keep great content off the Internet forever.
Additional social stresses may also occur because of the population explosion or problems arising from mass migration movements—themselves made relatively easy nowadays by modern means of transport.
The newly domesticated animals behaved better, were easier to control, and may have enjoyed a higher birth rate, which in turn yielded greater milk supplies.
Of course, this specialized knowledge gives their employers a competitive edge in the hospitality business, where patrons are not easily impressed---but can be easily bored!