Are you against using something like json-ld, hal,... for embedding links? Adding arbitrary hx- attributes to html which require a javascript application to make use of comes across as un-RESTful as doing so in json to me.
Not saying you have to prefer it, but some of the htmx articles imply there is a difference.
Not saying you have to prefer it, but some of the htmx articles imply there is a difference.