Had this been in "normal" times I suspect he would have withdrawn to not drag the GOP through the muck of partisan battles. But this is not "normal" times. Republicans need an extremist Judge on the high court to implement their agenda, foremost of which is overturning Roe and secondarily protecting Mr Trump (or the presidency). He can not withdraw unless there is overwhelming evidence he is not qualified.
In my mind his display of obnoxious anger during the hearing and his obvious partisanship should disqualify him from any court (I think NWP said that).
If the GOP was smart they would force him to withdraw but I suspect it is not up to them. I believe Mr Trump takes it personal. J Kavanaugh is his choice and America can take him as is without reservation or face the wrath of Mr Trump.
ignorance is the enemy
without equality there is no liberty