Looking at the Gallup poll the numbers shake out like this
'
Great deal of confidence 11%
Quite a lot of confidence 14%
Some confidence 43%
Very little confidence 30%
No confidence 1%
No opinion 1
Kind of puts a different spin on it if you include the bolded....
By contrast....Gallup presidential polling goes like this
June 22
Approve 41%
Disapprove 57%
No Opinion 3%
Do you approve or disapprove of the way Joe Biden is handling his job as president?
news.gallup.com
Really can't compare Biden's polling with the Supreme Court as the questions aren't even the same....