[snovv_crash]

It isn't about heat, it is about the main crank bearing which is a fluid bearing that needs oil pressure to work. When your engine isn't running there isn't sufficient oil pressure so the first few revolutions are pretty tough on the engine. Hot is actually worse because the oil that is there is thinner and more likely to result in metal on metal. Engineering an ICE for an order of magnitude more starts is probably mostly upgrading the battery, starter motor, and main crank bearing.

[calvinmorrison]

they coat the cranks with a special polymer to help with start/stop and hybrid engines that undergo frequent cranking