I'm sympathetic to all of this except the part about DynamoRIO: I've barely seen people compile DynamoRIO successfully on Windows and Linux, so struggles on mac

I'm sympathetic to all of this except the part about DynamoRIO: I've barely seen people compile DynamoRIO successfully on Windows and Linux, so struggles on macOS don't seem that unusual. It seems like a marginal case to ding the Mac on. (I have a handful of patches in DynamoRIO.)