European here: when visiting my company HQ I was surprised how casual Americans dress for work. I am not saying devs should wear suit and tie, nothing like that, but even my bosses boss* was wearing what looked like a rumpled sweater with worn out jeans. And I don't mean like fashion statement rumpled and worn out, more like the "great depression" crumpled and worn out. Jules and Vincent in their new t-shirts would f…
That could be a factor. Casual office clothes (closely related to post 90s tech culture) probably halves apparel costs for a lot of people. In a suit and tie company, the average person probably buys 2 suits and a half dozen shirts/ties pa, in addition to their casual clothes.
I wear tshirts daily and I don't even buy half a dozen tshirts per year. I have some that are over 5 years old.
Spend more than the bare minimum on your clothes, and they will last you a long time. A suit should last you at least half a decade.