Do they really think it's only men who eat their crisps? Fucking hell, talk about delusional.
They will have tonnes and tonnes of data on this issue. They'll have researched this to buggery before investing in a new line. The evidence clearly suggests they have a market for this product.
That's not a guarantee of success, by any means, but they're not just taking a stab in the dark, that would be ridiculous.