For a lot of them it’s some kind of passive aggressive swipe at our uniform provider/ company, or bullheaded notion that mass production crew uniform providers will somehow just send that perfect fit to their mailbox with no adjustments needed.
Looking professional and dressing well is a choice. It usually requires a modicum of effort and money. Those that chose to look like a sloppy buffoon are just that regardless of whatever reasoning they use to justify it.
Even second year FO’s on our industry bottom compensated contract are making 2+ times the national average in income. Spend $4-500 over the course of a couple months and bother to look like a pro.