yes you CAN if you wish of course. on the other hand nowadays 95% of domains on the Internet can be identified by IP[1][2]. so ISPs still have a pretty good guess what sites do you visit even without DNS or SNI data.

[1] https://blog.powerdns.com/2019/09/25/centralised-doh-is-bad-...

[2] https://blog.apnic.net/2019/08/23/what-can-you-learn-from-an...