Musk's actions have definitely been hurting Tesla sales, still...
There's the monetary incentive of tax rebates, you have people who bought them before Musk went mask off, there are conservatives who believe in climate change, and plenty of people don't even pay attention to politics.
https://gamefaqs.gamespot.com/a/user_image/9/4/7/AAZyoPAAByu7.png
https://gamefaqs.gamespot.com/a/user_image/9/4/5/AAZyoPAAByu5.jpg