What a shame, what sadness what grief, overwhelms a person like the prophet (saw) when he sees his own uncles, when he sees people that have loved him his entire life and people that he loved his entire life and he’s not able to get them. Every single person that flees from his hand, sallallahu awaliy salam he wants so bad to help them.
He does not comfort himself sallallahu wasallam by looking at the wins to say the losses no longer matter but he rededicates himself to the possibility of converting those losses to wins of bringing them too. so the joy of the prophet (saw) when he sees these large groups of people was not that he could be complacent now but that it gave him hope that he could continue and that more people would come InshaAllah Ta’ala on that more people would follow, right and so in many ways.
You see an example from the messenger sallallahu alaihi wasallam of that same empathy that he had where he could not turn his face away from a child that was in poverty, that same empathy being reflected in everything else that he had. That’s part of Rahmatan Lil ‘Alamin. That’s part of him being a mercy to the world and that’s why on the day of judgement when the prophet sallallaahu alayhi wasalam has the one dua.