There's hostility to lying, and there should be.
The failure of the system to deal quickly was attributable to Nixon's lying, stonewalling and refusal to come clean. So it took 26 months for the final truth to be known.
When you hear in the tape recordings Nixon's own voice saying, We have to stonewall, We have to lie to the Grand Jury, We have to pay burglars a million dollars, it's all too clear the horror of what went on.