(there's a series of mails that Guy Steele wrote to that effect as a reply to 'Macros make me mad': 'Classes make me mad', 'Procedures make me mad' some years back on the ll1-discuss mailing list).
I happen to have them bookmarked!
http://people.csail.mit.edu/gregs/ll1-discuss-archive-html/m...
http://people.csail.mit.edu/gregs/ll1-discuss-archive-html/m...
http://people.csail.mit.edu/gregs/ll1-discuss-archive-html/m...
http://people.csail.mit.edu/gregs/ll1-discuss-archive-html/m...