A Lot of Nerve
It's not uncommon for your friends not to like everyone you date, just as your partner may not get along with all of your acquaintances. Such conflicts can indeed cause tension at times.
However, this person's accusations went too far when they blamed their friend for the breakup, twisting the truth about what really happened. It's even worse that they accused their friend of cheating multiple times, adding a layer of complexity to the situation.
