Did you know that elevator operator used to be a job that people had to be employed to do? No one says hiring a person to operate an elevator is more cost effective than installing a push button system for people to do it themselves. The cost really wasn’t prohibitive to move away from human labor here.
This is not the only case, I’m just bringing up an example. The thing is, when a job is replaced by technology, you don’t even think about it anymore. Yes, there are also jobs that CAN be replaced by technology, where the tech is more expensive… but that’s not the rule, that’s just the leading edge.
Yes, TLA is a three letter acronym. A four letter acronym, on the other hand, is an ETLA, or “Enhanced Three Letter Acronym”. For advanced cases, you can get an EETLA (or XETLA) for Expanded/Extended Enhanced Three Letter Acronym.
Just so you know.