What culture are you talking about, the British Culture which invaded india, the Islamic culture of Mughals who invaded India or the Kamasutra culture.
Why dont the moral police go and destroy those temples and heritage palaces built by our ancestors having men and women idols in so called obscene poses ?
Then we will have laws to ban christian couple kissing in church when they have just married.
I have heard psychatric experts say, moral police consists of people who are sexually frustrated.
We should be mature enough to ignore and a leave couple alone making a descent love. I don't understand what problem a descent elderly person will have when a young couple is making a descent love in public.