I agree women aren't exempt from criticism, exposure, etc just because they're women.
However, the posters on Tattle life are not only unrelentingly vicious, they're offensively vile in the comments they spew, they use their social media buttons as useless weapons (as you'd find in any site with those childish 'like', 'angry', 'upvote/downvote' buttons, etc which is what draws many to them) and are unrestrained in their nastiness towards their subject of the day or anyone they've 'cornered'.
But to be fair, I think this is because the moderation is more lax and free than mumsnet. Mnetters would probably be the same if we're allowed such freedom.
Of course you'll still find humour and lightheartedness in these places, they aren't one-dimensional.
I couldn't last because I found the topics boring and uninteresting. I don't know 98% of the people being discussed (because I don't follow celebs) and I cba to talk about people constantly, as is the theme of the site.
As they say, small minds discuss people.