They quite literally did, Britain and France nearly merged their economies it was so bad. While the London blitz is the most well known part of the bombing campaign it was actually the end of it, early on the Germans were specifically bombing factories and agricultural infrastructure like say granaries.

Reminder Great Britain itself isn't that big while still having a massive population, even while exploiting their colonies they were still massively hurting. Also converting their economy from a wartime one back to a civil one was slow as dick.

About 65,000 tonnes of munitions were dumped on Britain during WW2 by the Luftwaffe - they did more than break a few windows with all that.