In my experience writing Ruby, a strong aversion to using local variables is something I have noticed again and again. I would propose that in most scenarios this has several underrecognized drawbacks. The solution is easy: use local variables.
When you go into a restaurant and you see a sign that says “No Dogs Allowed,” you might think that sign is purely proscriptive: Mr. Restaurant doesn’t like dogs around, so when he built the restaurant he put up that sign