Didn’t say foreskin causes pleasure but most of the pleasure is in that area.
More potent doesn’t mean foreskin can’t help. Women lubricate in different degrees. Foreskin can be extremely helpful for some women and is helpful when women age and can’t lubricate as much.
Penile cancer thing is unproven
What medical conditions? That hasn’t been proven either. The science on circumcision benefits is biased and bogus.
Never heard of a newborn successfully refusing circumcision