Yep, bolt cutter would go through that aluminum like butter; or use a car jack or long lever to bend it in half. A layer of this on top of steel bar would help

Yep, bolt cutter would go through that aluminum like butter; or use a car jack or long lever to bend it in half. A layer of this on top of steel bar would help guard against power tools. My bike lock already has a rubberized coating; embed ceramic balls in that.