You'd be surprised how well a person can do on various forms of welfare these days - and not just in the UK. If they work the system well enough they can have a fully featured middle-class lifestyle without ever working for a dime of it. And if they're in the black market on the side they can do even better than that.
Twitter is free, by the way, as is facebook, and many of those cell phones you probably paid for by way of one allegedly anti-poverty program or another.
Smartphones and cellphone plans aren’t free.