After you insisted, you write that, “no one from the crew would meet my eyes or say hi.”
I sat with them a couple of weeks ago, and when Christine said, “hi Dad,” they were thrown back in their seats by the surprise.
And he said hi back and smiled and sort of patted the baby on the head and everything.
greeting, 1862, American English (first recorded reference is to speech of a Kansas Indian), originally to attract attention (15c.), probably a variant of Middle English hy, hey (late 15c.) also an exclamation to call attention. Extended form hiya attested from 1940.
A salutation upon meeting: The staccato cry of ''Hi!,'' which we judged to be the almost universal greeting
[first form 1862+, second 1940+; probably based on hi, ''hey,'' exclamation used to call attention, found by 1475]