Well that heat does a lot of damage too, on top of other damaging radiation, blast wave, irradiating everything etc. which is proportional to bomb yield. Sure

Well that heat does a lot of damage too, on top of other damaging radiation, blast wave, irradiating everything etc. which is proportional to bomb yield. Sure the biggest ones are comparatively ineffective, thats why the focus on manufacturing was on small/medium yield one, one can produce many more and saturate defenses more easily rather than one/few MOABs.