Totally agree. I switch mine on as I roll down the close, I turn out of the estate, run 150yds, then round the roundabout and engage at 30mph. Depending on where we are going I only touch the throttle to pull away after a stop, my adaptive needs a nudge to restart, and in an emergency. The self stop in heavy traffic is a boon!
Sadly I don't think the ID4 can do it currently :-(