I still have a fairly open mind on dress codes... but to say
Professionalism in our workplace is ABSOLUTELY NOT a function of smart dress
may be accurate, but as far as "impression" of one's professionalism goes, it's sadly true....
I would argue that "smart" is probably more important than "Shirt & tie"... but in many work environments people atribute professional ability with dress code... what would be your reaction if you saw a Solicitor (at work) in calf length cut-off shorts and sandals... or your bank manager in a Metallica T Shirt and torn demins? (some will undoubtedly say "why not"... there is no "Why not" about it, its just the expectation we seem to have?