Biden is not that 'great.'
(See definition #3)
great adjective
\ ˈgrāt , Southern also ˈgre(ə)t \
Definition of great (Entry 1 of 3)
1a: notably large in size : HUGE
all creatures great and small
b: of a kind characterized by relative largeness —used in plant and animal names
the great horned owl
c: ELABORATE, AMPLE
great detail
2a: large in number or measure : NUMEROUS
great multitudes
b: PREDOMINANT
the great majority
3: remarkable in magnitude, degree, or effectiveness
great bloodshed
4—used as a generalized term of approval
had a great time
It was just great.
5a: EMINENT, DISTINGUISHED
a great poet
b: ARISTOCRATIC, GRAND
great ladies
c: chief or preeminent over others —often used in titles
Lord Great Chamberlain
6: markedly superior in character or quality
especially : NOBLE
great of soul
7a: remarkably skilled
great at tennis
b: marked by enthusiasm : KEEN
great on science fiction
8: more remote in a family relationship by a single generation than a specified relative
great-grandfather
9: long continued
a great while
10: PRINCIPAL, MAIN
a reception in the great hall
11: full of emotion
great with anger