The example ternary would require me to stop and think for a moment, if it was in boring if statements I could explain it to a not-so-technical person in terms they could understand, even if they could not write it themselves.
On the contrary, even a "not-so-technical person" is likely to be able to guess at the meaning of a question mark; and as a bonus, it's not specific to English either.
On the contrary, even a "not-so-technical person" is likely to be able to guess at the meaning of a question mark; and as a bonus, it's not specific to English either.