I do lots of embedded; not an Embassy fan for the classic Async reasons. Disagree on being worse, slower, and less versatile. That is wrong on slower; the other

I do lots of embedded; not an Embassy fan for the classic Async reasons. Disagree on being worse, slower, and less versatile. That is wrong on slower; the other two traits are subjective. The embassy creator is a great programmer, and we see eye-to-eye on typestates and HAL unification, but not async.