Disagree, this advice regarding macros is mainstream Common Lisp thought. It's certainly been repeated enough on #lisp. And, ah, the google CL team is, AFAIK,

Disagree, this advice regarding macros is mainstream Common Lisp thought. It's certainly been repeated enough on #lisp. And, ah, the google CL team is, AFAIK, the former ITA, which was one of the top known Lisp shops worldwide. They know their Lisp.