The testes don't provide a useful or vital enough function for the recipient to warrant the additional risks and effort. Really, the only thing a male body nor

The testes don't provide a useful or vital enough function for the recipient to warrant the additional risks and effort. Really, the only thing a male body normally needs its rocks is to produce some hormones. Those are easily substituted. Simple silicone implants will satisfy aesthetic properties. The tactile nerve endings aren't vital to recreative copulation.