The bottle is then riddled, so that the lees settles in the neck of the wine bottle...
Manual riddling is still done for Prestige Cuvées in Champagne... mechanised riddling equipment (a gyropalette) is used instead.
Obsessive? Perhaps. But it's worth all the trouble with the pegboard and the paint to have everything sorted, and know exactly where everything is so you can lay your hand on it right when you want it.
If only the family would learn to put things back in the right place after using them.