The only time i can remember him getting worked up over a rider not pulling, was during the ECC.
You will find dozens of examples of him not even bothered when others get in his wheel without helping. Masnada in Adriatica Ionica, Campenaerts in BBT, Armirail in Liège, Yates in UAE, other Yates in Classica, Plapp and Vine in Norway, Roglic in Vuelta, Mas in Vuelta... Sometimes he asks once and then drops them if they don't want to help.
I remember a discussion with Skujins during his first Classica but that was about something else iirc. Then there was the time he was angry with Vermeersch for making him crash. But you will find it hard to find a rider that gets leeched as much and complains as little.