How is a solo classical pianist's concert any less staged, rehearsed or repeated performance than any other concert, other than a (not so) vague sense of elitis

How is a solo classical pianist's concert any less staged, rehearsed or repeated performance than any other concert, other than a (not so) vague sense of elitism? Unless you're close, you're not catching the nuance of the pianist's hands any more than guitar licks from a guitar frontman. Indeed, many modern pianists are following in the footsteps of rock concerts and having live video camera work to capture these details for people not in the front 10 rows. All this does is give vibes of "Area Man Constantly Mentioning He Doesn't Own A Television" (https://theonion.com/area-man-constantly-mentioning-he-doesnt-own-a-televisi-1819565469/ https://theonion.com/area-man-constantly-mentioning-he-doesn...).