i don’t doubt that, but in this specific context “low-skilled” is synonymous to “easy to replace” and “easy to get into”. you can’t get a job as a doctor in a week if you decide to with no prior training, even if someone would hire you instantly, but you can absolutely go from having no clue about flipping burgers to doing it as a job in a week. (granted, if you can find a job instantly, which is not realistic, but that’s its own can of worms.) similarly, if your employer doesn’t like the price you’re asking, they can replace you in a week because if they’re willing, nearly anyone would be able to do the job to a sufficient level.

“low-skilled labor” is absolutely used by some as a pejorative for both individuals and professions, and yes, that sucks. i also don’t doubt you can get extremely good at “low-skill” jobs. but even subtracting that elitism and classism, it has a meaning.

also, if UBI is not the answer, how would you resolve this instead?