If you do a poll on the forum with the question. "Do you trust everything Elon Musk says/tweets?" You'll get your answers.
Tax Credit is for customer, but Tesla adjusted price in anticipation of lower demand due to lower tax credit. In fact, I expect another price drop at least on the higher trim models after June, probably around 1k or less.
Your car will always depreciate, (another Elon quote on appreciating asset only a fool would believe). Not just Tesla, but any other car you drive will depreciate. The difference here is Tesla's part availability has not been up to par compared to rest of the industry.
6 month free supercharging can be worth more than 1k, if you drive non stop from coast to coast. But yes for majority of us, it's not really worth it if other options are offered.
Pricing change happens, I bought a 2017 Hyundai Sonata for 18k (MSRP 30k) with all the discounts two months after someone I know paid 25k for.
If there's any silver lining for you, know that plenty of owners paid FSD for over a year, imagine how they feel.