HTML only needs two verbs; throw away the REST

He's not saying that there should only ever be two methods for http.

He's saying that rest media types should be free to specify their own verbs for interacting with them. HTTP 2.0 doesn't need to specify the full set of verbs because REST allows implementers to define their own.

HTML defines two methods for interacting with services that use it as a media type: GET and POST.

Soap defines 1: POST. Both are restful.

Arguments about which one is easier to use have no bearing on whether it's restful or not.

You can define other standards on top of REST using your own custom verbs but those verbs do not need to be codified in http 2.0