Because the foreskin isn’t just a useless spare part. From an evolutionary perspective, it serves a purpose.
Think of it like buying a car and modifying the transmission. The car still performs it’s primary function, but in a way that comes with trade-offs.
Circumcision is the same. Removing the foreskin (modifying the transmission) might improve some things like hygiene, but it will also completely remove the penis’ natural barrier to protect itself from excess friction
In what way does it supposedly weaken the dick?
Because the foreskin isn’t just a useless spare part. From an evolutionary perspective, it serves a purpose.
Think of it like buying a car and modifying the transmission. The car still performs it’s primary function, but in a way that comes with trade-offs.
Circumcision is the same. Removing the foreskin (modifying the transmission) might improve some things like hygiene, but it will also completely remove the penis’ natural barrier to protect itself from excess friction
For many, it makes them require lube in situations where they would otherwise need none.
For some, it makes things painful some or all the time.