If they use them purely on open battlefields then it’s not such an issue.
What is an “open battlefield” during a war is no longer a battlefield after the war is over. After the war is over, if you’ve littered what used to be a battlefield with unexploded bombs, you’ve ruined that area of land and made it extremely dangerous to civilians.
It really depends where they use them. If they use them purely on open battlefields then it’s not such an issue.
Let’s also not forget during ww2 the allies leveled plenty of German cities.
What is an “open battlefield” during a war is no longer a battlefield after the war is over. After the war is over, if you’ve littered what used to be a battlefield with unexploded bombs, you’ve ruined that area of land and made it extremely dangerous to civilians.