Not sure why people think they can rely on the pre-installed Unix utilities on macOS.
EDIT: Apple routinely don't update the Unix utilities for a decade...
EDIT: Apple routinely don't update the Unix utilities for a decade...
This, of course, is passive-aggressive snark. Suffice to say that I disagree with you; why shouldn't people expect software they buy from Apple to work? People buy from Apple because they don't want to have to deal with all this sort of crap; they just want it to work.
I can understand the attitude that 99% of their userbase will never touch the command line, but that last 1% represents the developers that keep the whole ecosystem going.