>>>Mostly spread by French males who particularly enjoy 'un petit
rouge' whatever the time of day,

Around me, most French people wouldn't think of having red till
lunchtime. Early morning it's almost always white which they carry on
with till it's time for the apero when they switch to rosé or a pastis.

Steve
PS Acc a local winegrower, it's the white wine that gives them (him
included) kidney stones, something to do with excess of sulphur;