As much as the people in the OP are clearly psychopaths who should never be allowed to engage with the general public, i do share most of their frustrations with modern human-beings.
I don’t think pubs, bars and cafes need wifi, and i do quite the idea of quiet, technology-free places, but running your own business and purposely alienating customers is fucking silly and a sign that either you’ve got too much money or you’re incredibly uptight.