By Andy Silvester Working from home has changed many things. For one, it’s turned train strikes from a nation-strangling act of economic terrorism into an entertaining monthly diversion for millions of office workers. As such, the unions have responded by upping the ante: more strikes, more often. The workers hurt by this, however, are the very working men and women that unions are supposed to stand in solidarity with. ASLEF do not represent the kitchen porters who weren’t asked to come in yesterday, or the waiters who went home tip-less, or the pub staff who got sent home an hour, and twelve …