If "aerial bombing as an effective strategy" still means "you can win wars just by dropping enough bombs", I'll disagree. Because that use of "conservative" (simplistic maximum macho force) is equally applicable to Army leaders who want to occupy every square inch of the enemy's territory, or to Navy leaders who want to sink everything associated with the enemy and establish a water-tight blockade.

There's nothing liberal about a political leader reining in a nut case like LeMay. George Wallace quickly regretted his selection of LeMay as his '68 running mate. Or look at America's military actions during President Reagan's terms - for all the big talk and military build-ups, actual military actions were very carefully limited.

But in a very different sense of the word "Conservative", aerial bombing is often extremely Conservative. That sense is minimizing political commitment to a conflict. A leader (with effective air superiority) can drop some bombs or launch some missiles, talk tough about having "delivered a message" - then quietly drop the whole thing, having risked fairly little, and without giving the impression of having failed or retreated. From the PoV of a political leader managing risks, putting boots on the ground would be far less conservative.