There's no screwing. The reason those incentives exist is to get more people to drive electric cars. That's why the governments offered them. ($15k in WV, holy cow!) If anything, the folks leasing were the ones getting screwed.
(Side question: Since a leased car is actually owned by a bank or leasing entity, do they get the credit?)
(Side question: Since a leased car is actually owned by a bank or leasing entity, do they get the credit?)