That's shocking. Where is this rule? Have you seen it happen? I didn't know wealth defined fitness for service.
Isn't "money for college and healthcare" kinda obvious about it? Like there's almost a wink and a nudge at the end of it.
It's super blatant that having very few economic options and no healthcare chooses fitness for service for you.
"Their median family income is more than $73,000, compared with $66,000 for civilians, and recruits are most likely to come from families in the middle of the wealth distribution, with median wealth of $87,000, almost $10,000 more than civilians."
This is for enlisted members. It's probably safe to have some intuition that officers will skew wealthier.
https://en.wikipedia.org/wiki/Category:Cheshire_Yeomanry_off...
https://en.wikipedia.org/wiki/Gerald_Grosvenor,_6th_Duke_of_...
It's still very common for upper class people to join the Army in the UK.