You can certainly think that's what the argument is. And that his armor, i.e. the thing that manifests his power being damaged by hitting something nevertheless means that thing was basically irrelevant to blunting the shot from him, but again, that doesn't actually work out. Pieces of what his power shows up as came off because he hit something. If you think that means he regardless totally hit it super good and blocking it shows Thor was doing much better than otherwise... ookay.