Tinstaafl I followed your link.
Beardy had an explanation which confirms my findings that an approach in gusty conditions is much more comfortable with reduced or no flap.
My thinking was that the effect of a gust was unlikely to be equal on both wings, hence the unequal increase in lift is more pronounced, causing a stronger roll, with flap than without.
The caution against making a flapless approach into too shorter a strip is of paramount importance.