A very large firm here in NW Arkansas has told everyone that work in the office is now required as inefficiencies have gotten out of hand.
Those working at home are still chatting and surfing the internet and many even more so now that they are unsupervised.
Yes there are ways of viewing computerized activity but that is not an overall effective way of monitoring their performance.

Those folks unwilling to work hard a Twitter will leave and suck the value out of the company they wind up landing at.