Excellent post, Tom. From my experience, you don't often "go over the top." While I so enjoy quirk, I'd consider your work to reflect some level of restraint - I like that term better than minimalism. I think you have that in common with Donald J. Ross. It would be fascinating if you'd start a thread along the lines of "holes where I flirted with over the top."
The book I'm working on has a few examples of places where I flirted with going over the top.
Black Forest, in particular, was a course where over the top was in play. The client asked for it: he said he never wanted to hear that the course was too easy, back in the days when hard courses with high Slope ratings got the lion's share of attention. We did accomplish THAT mission, but I thought we went too far. Luckily, that was only my third golf course, so I learned my lesson pretty fast, and I've shown more restraint since then.
Of course, some of my critics think I go over the top with my greens on every course. They never seem to notice that other players are having a great time on those same greens.