I believe it was in order to be moderate in addressing gross abuses of power in the preceding administrations. Conservatives tend to work in measured increments rather than in wholesale, radical, dramatic power grabs.
If you believe Lerner and Clapper deserve free passes while the rabid, psychotic [terms I don’t use lightly—examine the man’s history] Mueller gets to savage Trump For No Crime At All, and destroy Trump’s supporters, there’s nothing more to be said. You support a two-tiered justice system as wide as the Grand Canyon.