Ideally, we shouldn't have political judges, but we do

Chief Justice Roberts Is Wrong. We Do Have Obama Judges and Trump Judges

"If we do not have Obama judges or Trump judges, then why did Senate Republicans block President Barack Obama's nomination of Merrick Garland to replace the late Justice Antonin Scalia in the final year of Obama's term? And why did Democrats filibuster Trump's nominee, Neil Gorsuch, to fill Scalia's seat?"

Read Marc Thiessen's article...
And the most nasty example of how political a judge's appointment can be is Brett Kavanaugh. This showed to the American people that it is all political and that Democrats can play the dirtiest game to ensure that their philosophy will represent them on the court.