It's not just the architects who think all the courses should be bunkered the same -- it's the R & A Championship Committee and the PGA TOUR, and they are the ones who are calling the shots. Do not think for a minute that any of the clubs have much say in where these bunkers are being added -- they are clearly not for member play.
If they hired Ben Stephens or Clyde Johnson to work at Sandwich, it would be because they were willing to agree with the Championship Committee, although they might get to make some additional suggestions.
The prevailing wisdom is that the driver should be tested and there shouldn't be any holes where you just let players bang it down one side with no bunkers in play, because they aren't worried about the rough [!] and that just lets them pound driver as hard as they can.
The one thing we did differently at The Renaissance Club was to build some choppy contours instead of another bunker down the right of the second hole, that gives the players an odd stance out of the rough with a fairly long approach -- that was based on something Brooks Koepka had suggested for Memorial Park. Harrington thinks that is the best change we made there, because a lot of the players just think there is no bunker and they should swing away, and they do pay a price. You could probably find the same thing by realigning some of the fairways, if you were looking for it, but now that they have irrigation systems that's harder to adjust.