But that attitude that one can solve a riddle with a more mainstream route (ie agitation, Dilution, paper grade), doesn't mean that we shouldn't promote the OP from finding say a 5th varriable....

I am seeing many folks here who are Rodinal users (myself included) not too keen on the idea of using salted water....but we cant discourage the question from being raised and experiments done since we might find the exploration pointless. I thank many of those "this salt business is a dumb idea" have caused a Negative vibe from a great theory....just because there is a list of Apug-polarizing-terms (eg stand, pyrocat, lomo, etc) doesn't need we can't encourage thought...