All limitations must be considered separately.
A reduction in ASDA will only become limiting if it results in the separate calculations revealing that the ASDA limited weight is the lowest of all the various limitations (not just the ones you have cited).
Thus, if the original RTOW was
(a) ASDA-limited, it is a fair bet that the ASDA will remain limiting
(b) not ASDA-limited, then one might anticipate that it may, at some stage, become limiting as the value is reduced.
One doesn't often see ASDA > TODA and, generally, one doesn't expect to see TODA = TORA
Not always useful to try and generalise in performance work ...