If you live long enough and are an introvert, at some point you transition to don't give a shit...
I have had varied enough experiences in life I can generally strike up a conversation with most anyone, even if it is to give them an opportunity to explain their beliefs which I do not agree with.
Sometimes I gain insight from that, sometimes, I'm just gobsmacked by their ridiculous viewpoint. I can mentally, unilaterally agree to disagree if they seem impassioned to the point they might come unhinged, and keep my beliefs to my self if theirs seem irredeemable.
On occasion, I have broken up disturbances with a few words, removing the need for official intervention, to everyone's benefit, usually joking around with someone.
I like to have fun. But I don't drink, and I'm usually gone before oh drunk thirty, simply because everyone is speaking another language by then, and not much good happens after midnight.
One lesson of my youth, hammered home when riding motorcycles in my bad old days, was to mind my own business where other people's personal conflicts come into the picture, because there is usually far more to that story than I am seeing at that moment.