Market forces apply.
So does common sense.
Do they need to provide free transportation? Doesn't look like it.
Would they incur significant opportunity costs by providing free transportation? Nope.
Are they stupid? Yes.
Why? Because they're missing out on a larger pool of qualified applicants from which to select.
(I applied to them in 1970 and I'm STILL waiting for even an acknowledgement. Culture obviously hasn't changed much..)