To clarify, I believe in allocating work based on competence, and even incentivizing such behavior when necessary with some monetary reward, which our current markets do an okay job at.
By “meritocracy” I mean the idea that it is morally just for people to be rewarded in money or social status proportional to their economic usefulness — an idea most people implicitly hold to some degree and which some libertarians trumpet as a core tenet. I think the implied inverse to this belief — in the extreme, that lack of economic usefulness deserves poverty — is morally repugnant and dangerous.