Because regardless of the reasons why, most of their engineers are going to drive. And not being able to find a parking spot would put many of them in a crappy

Because regardless of the reasons why, most of their engineers are going to drive. And not being able to find a parking spot would put many of them in a crappy mood, which would hurt productivity. Yes, it would be great if people didn't have to drive. But we don't live in that world yet, and it would be foolish and stupid to impose that on your employees.