alt Hacker NewsMost of the people live in the world they invented, where they are the protagonist, naturally young girls want to talk to the protagonist, even when he's 70. You'd have to dismantle their whole worldview to disabuse them of the protagonist idea, but by 70 it's often too far gone and requires facing a million mistakes they have conveniently swept under the rug with the fairytale they've told themselves.
I recently saw a screenshot from Facebook of a mattress ad presented inline in a page load that had two conventionally attractive normal looking (fully clothed, not immodest at all) women on a mattress. Below it was somebody's grandpa writing a message basically to the effect of "hello sexy ladies I am (name) please chat with me".
It possibly could have been a bot, but I don't think bots commonly use profile pictures of dishevelled looking 75 year old men. Maybe for commenting on political agitprop, they do...