[Hunble]

Actually, using MLRS above 155mm was a wise choice.

Much more yield and longer range.

For close up and personal support, where precision is required, there is nothing better than a M109 self-propelled howitzer with modern electronics.

[Darksheare]

Yes.
There were some proposing MLRS as a complete replacement for tube artillery.
MLRS can't do Illume, which is rather useful for psychological attacks on the other guy by making him feel visible.
There are other things it can't do, so I never understood the "Get rid of tube artillery" crowd much.
I saw the two systems/disciplines as being complementary and cooperative in their use.
Many of the brass were of the opinion that MLRS and tube artillery were exclusive of each other.