I think we need an impressive "made with htmx" example that will trail blaze an new class of web experiences. People have typecast htmx as something to use for simple use cases that dont "warrant" getting out the serious guns. There is something to that, but it is limiting. Htmx and related 'back-to-the-server' approaches are a distinct category that could have been explored much earlier but for various reasons isnt
Not affiliated with them in any way, but it's made with htmx and some JS for more complex features
As for "new class of web experiences", given that htmx explicitly aims to expand upon what is considered the Old Good approach, not sure if it can provide that