Battle lengths: MBT versus real life

[Imp]

It all becomes a case of do you want a quickfire game or a more realistic one where you only have partial control.
Example & cant remember which hill this battle was over but USA (I think) making an infantry night attack on a major hill during WWII.

There were 3 hills & units were supposed to advance using gullies streams & the edges of woods as landmarks to aid navigation as well as help hide them from the German sentries.

One unit was supposed to make a diversionary raid on one of the secondary hills hopefully drawing off defenders. The main force would then launch an attack on the main hill.

The diversionary attack never happened so after waiting as long as they dared past the time it was suppossed to start the main force launched its attack without it.
They were having a tough time of it when the diversionery force suddenly appeared from behind the Germans basically encircling them & turned the tide.

The diversionary force had got lost & ended up aiming for & attacking the wrong hill several hours behind schedule. However they had complete surprise as they had got so lost they avoided all the German sentries!!!

Turns out they couldnt have planned it much better if the diversionary force had arrived 10-15mins earlier would have been a near perfect assault.