I always get a feeling when those situations happen- like "Don't say anything, because I'm going to meet this person again."
not car related but in that coincidence theme-
Years ago, while skiing, I saw some dude on the slopes wearing the "redneck teeth" and being all loud and obnoxious. He was a definitely "presence." I had the feeling we'd meet again.
Got back to the lodge. Wanted to tell my wife about it (at the time- she was my girlfriend). Kept my mouth shut. My girlfriend was with her sister. No need to badmouth people while meeting my girlfriend's sister.
Guy with the teeth walked right up and sat down at the table.
Turns out he was my new brother in law!

(turned out to be super cool dude)
yesterday- was pumping gas. Pump was dreadfully slow. 5 minutes for 1/2 tank. Across from me, two loud guys discussing covid and the chinese. "It's a weapon, one said" The other stated "Yeah, the chinese are building a military site on the dark side of the moon to stay at while the virus takes us out." Totally serious.
I couldn't take it anymore, between the gas and the conversation, I bolted. I bet I meet those guys again.I just know it!