I guess he equates tenure on the bench (with a helluva a lot of overturned rulings) to be the "most experienced" ...
Hasn't he heard of Holmes, Brandeis, Cardoza, Frankfurter, Douglas, Brennan, and Marshall - just to name a few ???
They had vastly more life and career experience ...
In one of my pursuits we speak of someone that has 30 years of experience and someone that has 1 year of experience 30 times.
...and Franken went on to say, ‘she’s good enough, she’s smart enough, and, doggonit, people like her.’