I read about on TB, and started doing it. (Ahem...I know) Setting the break angles that is.Agreed! never heard of such a thing and no way would i do it.
Unless your saddles are way out, it doesn’t seem to make much difference when you move them to adjust for intonation. Just push down on the string a little.
The strings settle into that same position after a while.
(have always loved the Specials!)