“Can you straighten your legs?” : my crusade on the subway, reign of “manspreading”

The situation is the following: one morning, during the rush hour of the subway, there was a seat left in the four-seater hall of a Line 6 carriage. The protagonists? On the one hand, an old woman as straight as a ie in her fifties with a briefcase on her lap, in front of a thirty-year-old man busy with her laptop. Sitting in silence, the legs of the latter are so far apart that one of them occupies the vacated seat and the other part of the corridor. The stage is ready.