Originally Posted by
lilflyboy262...2
My understanding is that they are responsible for your terrain clearance while IFR. It is our responsibility to comply as far as able with those requests.
You are gravely mistaken. Except under the unique case of "radar vectors" ATC are never responsible for your terrain clearance. It is pilots' responsibility to refuse or delay execution of any clearance w.r.t. charted minimum altitudes. ATC is there to separate us from traffic, not terrain.