"It was Mr. Parker's requirement?"
Les, could you show me where this requirement was set down?
I've got a tape of a 1985 black belt test in West LA, with Mr. Parker and Larry Tatum presiding. Bob Lyles, Dian Tanaka, Jeff Speakman, Scott Higgins, Brian Hawkins, Barbara Hale, etc., etc., are all on that test--and nobody does even one technique on both sides, except in a form.
My understanding--surprise, surprise--is that Clyde's right. The basic arguments are: a) the dominant side's the right, for biological aand cultural reasons (as well as, I suspect, vaguer and perhaps even sexist reasons); b) very few will use the left; c) the "right-sided techs" work perfectly well against left-sided attacks; d) the forms will gradually bring the two sides into something resembling balance.
But I also agree that this is where we'll have to agree to disagree.
Thanks.