My old boss loved to calculate our salaries (increases always in percentages) so the actual dollar amount would contain our birthday or be $123456 or whatever.
Looks like you were too late to convince Kubernetes to deviate from semantic versioning and instead move to Knuth versioning with the version getting asymptotically closer and closer to 100/9^2.
His reasoning was 5% is just as arbitrary as 5.02% or whatever he would do. Also it really pissed off finance, which you rarely get to do with impunity. I miss him. My new boss is more concerned with my haircut and beard than anything else.