Ta. I was thinking grey as in undefined, rather than a more literal grey. Guy is pretty extreme, some kind of measure of the departure from the manifesto delivered in the last general election should be in place to rein in situations like this
I didn't know either so I googled it. The third hit I got for 'raab grey welfare' was a piece called 'Raab - The Shabby end of a pitiful career' from less than a year ago when he flounced as Brexit minister....
Amazing how quickly they can turn themselves around!
https://twitter.com/PropertySpot/status/1134422322667036673?s=19