AG Crockett,
Good putters will ALWAYS outperform weaker putters irrespective of the configuration of the green.
One of a good to great putter's skill is "reading"
Without adept "reading" skills, and the ability to combine pace and break golfers are "lost" on the putting surfaces, especially as the speed of the green increases.
If a putt breaks four feet and the higher handicap reads it at eight feet, he's going to have a longer, more difficult recovery putt, and, if he mis-hits it on the wide side, an even longer, more difficult putt,
The converse is also true.
I think much "slower" greens narrow the gap between the good to great and the mediocre putter, but, not contouring.
You fellows are erroneously focused on one putts while ignoring the likelihood of three and four putts by the inferior putter on highly contoured greens.
P.S.
A ten handicap golfer can be a better putter than a 6 handicap golfer, so don't view this exercise in the context of handicap, rather, confine it to putting skills.