Should this sort of unspeakable beastliness be allowed, and why were they not arrested for committing a criminal offence?
Section 45 of the Criminal Law (Sexual Offences) Act 2017 is quite clear:-
45. (1) A person who exposes his or her genitals intending to cause fear, distress or alarm to another person is guilty of an offence.
Is it not right that the elderly should be protected from this spectacle?