Also, roles sung by females in the modern era are being taken by counter-tenors, the modern equivalent of the castrati, males who had been castrated to preserve their treble voices. Gays are dizzy with excitement over the prospect of homoerotic performances where no women appear at all. In fact, this has already happened at some opera companies.
It has become stomach-turning to witness such modern performances and I am forced to choose shrewdly to avoid paying for a ticket that I later regret.