Not really kept up on developments, but you can probably have a detonator that degrades. In rock blasting electronic detonaors are more and more prevalent. But might defy the purpose of being dirt cheap.

As a former mine clearer the world does not need more mines. But as a former combat engineer mines done correctly (with proper mapping, fencing and marking) is way to control an axis. That’s why it still has its uses. Problem is 10 years down the line when the maps are lost, fencing gone and no markings.

Tbf. The F35 owns the sky. The Typhoon wins in a dog fight, but the way the F35 operates it eliminates the threat long before the dog fight. I would love for a European fifth generation replacing the F35 tho’