sigh.........it's what some of them do.
They belong to the point scoring sad brigade. Just ignore them, after all everyone that actually knows them has probably ignored them for years. Easy to spot online, as they'll invariably pepper their responses with uppercase 'shouty' words.
Prince Harry, the Windsor whinger and Moribund Megan are in the same clan and nobody takes any notice of them either. Basically, it is an illness and totally without a cure. Unfortunately every day you have to meet one, on the road, in the supermarket, at work, or online. The name for them starts with A and end in E.