No being able to Discard abunch of Companions is annoying to the max what if you have Saruman and he assigns minions to companions and Freeps where ok with all of the choices and wastes all of those minions, Waste of 4 points
If I understood correctly what you were trying to say, you think that Free Peoples player doesn't really care who fights who... which in some cases may be true, but it's your job to make him care... just take the example I gave previously...
1 Saruman, SotE - 4 twilight
1 Uruk Searcher - 4 twilight
1 Weary - 1 twilight
1 Broad-bladed Sword - 1 twilight
Dead Legolas - priceless
that's 10 twilight after site 5, where Uruk-hai stop roaming.
I see nothing really wrong with this combo and few could take it especially with a
Lurtz's Battle Cry for 4 Vitality Aragorn, Elrond, Gandalf, etc. or token removed from
Battering Ram. If you're confident that your comp will garner enough strength to beat that minion, well that's what my
Saruman's Ambition is sitting there on the table for

As for discarding, the only thing you ever had discarded was
Gimli, Counter of Foes fully buffed which fell victim to my
Southron Troop--an isolated incident at best. (Although riotously hilarious!)