Board Thread:Warhammer 40k General Discussion/@comment-5846164-20130316112717/@comment-1621503-20130317024500

I thnk it depends. I would direct you to 1d4chan's Matt Ward page for a relatively offensive, but amusing, explanation of it all.

You can group the hate into two areas: fluff and crunch. Which is to say story and mechanics. Depending on how you approach 40k, you'll likely find something to either really like, or really hate about his work.

He's behind the fluff rewrite of the Grey Knights murdering an entire convent of Sisters of Battle just so that they can paint themselves with their blood so as to ward of daemonic taint (which had a lot of people going "Isn't that a Khorne thing?"). He's rewrote the entirety of the Necron backstory so that they're basically the WH Fantasy Mummies, except in space.

He's behind the rewrite of Codex: Blood Angels and Codex: Grey Knights, and apparently much of the 6th edition of WH40k. These rulesets have caused some...discussion on various boards on their mechanical soundness and play balance.

He's got the reputation of a man who goes "*BLEEP* the past!  Watch what I'm doing NOW!"

Although, if you like Ultramarines, he's your go-to guy.