>>105907976you need ECH (Encrypted Client Hello) for TCP too. Otherwise, they would have to guess from the IP address, which may not be super hard, but not trivial, and would only work with big sites (known IP blocks), or sites with matching reverse DNS records.
but if you're really bothered, you're using a VPN already, and doing that dance with the VPN* provider just in case, instead of your own ISP.
* or VPS, or cloud, or whatever, if you're setting your own VPN.