Tell people they’re fat vs treat obesity with sensitivity?

There have been a few articles and media debates over the past 10 days, which have a connection.
Tell children they're fat
On Thursday 10th October, the Daily Mail ran an article in the Femail section entitled "Why it's a parent's duty to tell their child they're FAT: An uncompromising warning from a top obesity expert"
The article was written by Alan Jackson, the head of a weight management centr...