While I am now backing Donald Trump, and am deeply saddened by Cruz's method of cherry picking past political comments, and then putting a deliberately misleading interpretation on them--which is surely bearing false witness;--I emphatically disagree with your comment. Cruz will greatly diminish his remaining stature by even commenting on these allegations. One should not encourage vile gossip, or get drawn into ridiculous discussion of such non-political matters.
The current tendency to make politics ever more demeaning, should not be encouraged in any way. Cruz is able to discuss the serious public political, economic & cultural issues. If he gets drawn into neglecting his strong suit, he will make a very serious mistake.