Because they are covering this and this and this? (No links to either paper, or dodgy links, just background info on a government website, Twitter and a Mumsnet thread).
The petition is one of the most important going for 51% of the UK population. I can’t believe that women are having to petition to get consulted, but that’s 2018 for you. If the Mail and the Sun are going to cover it so it gets more visibility then that’s a good thing, IMO.