I agree with Ciro Pabón. If true, such behavior is unacceptable. Period.
Many sports are attempting to retain integrity. And fair play and honesty are involved. What really irritates me is one charge. "* although knowing that as a direct result of its untrue statement to the stewards, another driver and a rival team had been unfairly penalised, made no attempt to rectify the situation either by contacting the FIA or otherwise;" Trulli was screwed by Hamilton's initial statements, and if there had not been an investigation, an injustice would have occured.
If these charges are true, then McLaren deserve punishment. And please, Stepneygate really has nothing to do with this, with the exception that McLaren's past history has to be taken into account when punishment is decided.