It’s the highest degree of freemasonry, and also believed to be the age Jesus was when he died. It’s a major theme in a lot of conspiracy theories that the powers that be tend to sneak the number into things they control, either as gang like tagging or because they believe it gives them power.
I always roll my eyes whenever I see a literal commercial taking up all the space in the headlines due to some fake controversy. Not only does that give the corporation that made it everything they want times a thousand (thus counter-effective for all the people allegedly angry over it), its also 9 times out of 10 used to distract from something that actually matters.