Earlier quoted context omitted.
Since you mentioned Etaoin Shrdlu and hot type / linotype... There are a lot of industries (at least historically) that have organized labor. In the UK, there was the “Wapping Dispute” in 1986 when computer technology enabled journalists to type in their copy directly, doing away with the need for workers to set type using linotype printing. Linotype was a big improvement on the older letter-by-letter typesetting and…
I live in Oregon. Up until last year , you weren't allowed to pump your own gas in most parts of the state. The law required gas station attendants to do it, as a scheme to keep them employed. The most annoying part of this wasn't the tiny marginal cost, but that it sometimes took forever to get your gas if the attendant was busy. You'd just sit there looking at the pump you weren't allowed to put your credit card in…
Since the Manchester Arena terror attack (awful, tragic, evil, and an isolated event), it has been mandatory for music and live theatre venues to have an absolute army of "security" staff checking people's bags.
A full 95 percent of whom would be entirely and totally useless in any actual emergency or danger situation.
It's one of the things contributing to the ever increasing price of show tickets, but basically it's a tax on people who can afford live shows to create jobs for an otherwise fairly unemployable sector of the population (young and not much education - way too little natural demand for that in central London to mop up all the supply).