The feeling of outrage is quite right because of the closed, privatised, undemocratic and elitist method of selection, by party members. These changes would be less contentious among the general public (as they were when Callaghan and Major came in) if MPs alone made them happen.
Carl Gardner
"It is one of the accepted hypocrisies of modern British politics that when your side changes PM midterm, it is part of our distinguished constitutional heritage as a parliamentary democracy. When the other lot do it, it is an outrage." @philipjcowley.bsky.social
Around three-quarters of those who can vote in any contest on who succeeds Starmer are not Labour Party members