Are you serious?? Raonic was anything but good in the double missing easy volleys (might as well staying back) and easy returns (same for Nestor though).
Heck, even his 1st serve % was low, clearly don't know how to play double.
That's my opinion, I'm totally serious.
Guy Forget, French Davis cup captain, and former doubles world number 1, said that this double match was a very good match and that he was delighted watching it :
OK for Raonic's and the Canadians' serve, not for the rest