I have no problem with the impaling, as it's just stupid to charge your general into the front of any unit w/ their spears pointing forward. However...
If you put your archers behind your melee units on a steep hill, and the enemy is comming up the same hill(i.e same angle as you), the archers will shoot the melee unit to pieces, no matter how much space you put b/w the archer and melee units. Like so:
----------A/
----------/
-------M/
-------/
------/
-----/
---E/
---/
E=enemy
Note the ample space b/w the melee units and the archer, and that the enemy is no where near the melee unit. In STW or MTW, the archer would either NOT SHOOT or shoot over the melee unit(if possible). The result: 1 archer auxilia unit of mine killed 2 huge legionary cohort units down to about 20 men each. Now THAT is rediculous. Note, IRL it would be easy to shoot over the melee unit, as the archers would just not pull the bow strings as hard and let gravity do the work.
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