The chances that this would survive ICANN's dispute-resolution policy [2] is very low:
> (iii) your domain name has been registered and is being used in bad faith.
I don't think putting up a page asking for $1M would pass the "bad faith" test
1: https://x.com/polycoolintern/status/2090532162067918941 2: https://www.icann.org/resources/pages/policy-2024-02-21-en