Kind of a slow learner.
Here's a clue: al·ly , al·lied, al·ly·ing, al·lies:
To place in a friendly association, as by treaty: Italy allied itself with Germany during World War II.
Unite or connect in a personal relationship, as in friendship or marriage.
To enter into an alliance: Several tribes allied to fend off the invaders.
One that is allied with another, especially by treaty: entered the war as an ally of France.
One in helpful association with another: legislators who are allies on most issues.
See Synonyms at partner.
You can not ally with everyone after a divisive battle.
The campus cupcakes are a case in point. These types simply prefer grooming their wounds for more and more concessions, rather than bandaging up and moving back onto the field and into the fight.
Cut them loose, I believe, and move on to those who will join the movement and are willing to recover and engage the real threat.