Disposable underwear men buy for travel emergencies, hospital stays, or specific situations is a legitimate product category. Single-use pairs designed for convenience when laundering isn't practical. That makes sense in context. But I think there's a broader disposable underwear men problem that's worth naming: the blokes who are effectively treating all their underwear as disposable by buying the cheapest option, replacing it every few months, and accepting that as normal. That's not a cost-effective approach, and it's definitely not a comfort-effective one.
What I think the disposable underwear men actually want in the non-single-use context is underwear that lasts long enough to justify investing in. The frustration that drives some blokes toward genuine disposable options is the experience of buying pairs that degrade so quickly they might as well be disposable. That's a quality problem with a straightforward solution: buy better. Disposable is fine when it's intentional. Accidental disposability from cheap gear is just wasted money.
A bloke I know used to buy the same cheap multi-pack every 3 months like clockwork. He never thought of it as disposable underwear men behaviour, just as the normal replacement cycle. When I pointed out he was spending roughly the same amount annually as he would on 4 quality pairs that would last 2 years, he did the calculation and switched. He hasn't done a routine bulk replacement since. The accidental disposable cycle ended when he bought something worth keeping.
From my experience, genuinely disposable underwear men buy for travel is fine for what it is. But if your everyday underwear is being replaced 3 times a year, you're in the accidental disposable category and Barramundies is the cure. Quality gear that lasts 18 to 24 months of regular use isn't disposable in any sense. It's the opposite, and the difference shows up in your comfort, your spend, and how often you think about replacing your undies.