[roselan]

If you turn them on when it's not raining, it explodes.

[bluecalm]

If you forgot to turn them off when it stops raining is more apt comparison except it's easier to detect no rain than no frosting conditions.

[pas]

it seems easy to detect overheating, frost or no frost, no?

[gopher_space]

I think the main issue is that every other plane does in fact detect and handle overheating automatically.

[TylerE]

When you’re 6 inches from a continual fireball?