And this supposed marketing advantage only lasted for the first handful of releases, when numbers where under or around 10. Now numbers are so big that they have become totally insignificant. 57? 63? 98? who cares any more?

Furthermore, as another comment said, it is impossible to remember on which release they started breaking this or that, since there is no more major version number change, which is usually handy to indicate backward-incompatible changes.