I think the point was: it might be a bit more expensive for them, but it wouldn't stop them from getting guns. Guns are important to their business, they would manufacture them themselves if they could not buy them.
Would it cost them more? yes. would it be the "number 1 priority" because it's so impactful? no, obviously not.
Would it cost them more? yes. would it be the "number 1 priority" because it's so impactful? no, obviously not.