I thought I'd done well, getting a Y on December 31st with the $7.5K off, and 2 years of supercharging. Now I could have got it considerably cheaper. Still - I was happy with the deal at the time, so can't be too unhappy.
To me - this shows how powerful the government can be. EVs were expensive, and unlikely to replace gas powered cars for decades. So the IRS purposely set the tax break $ value lower than the popular models. It worked. Tesla cut prices, and others will have to follow if they want to continue to sell.
A good day for the environment and the future, even if I lost a chunk of $ on the resale of my new Y.