This is a fundamental problem with commercial software. 15 years ago when this software was released the choice to have server authentication essentially was the original sin.
See also, Windows and activation. Adding that to XP was where Microsoft began to boil the frog, and now they're slowly doing to Office what Adobe did to CS.
It's a problem that is not limited to Adobe, and is a by-product of their commercial nature. The need for artificial scarcity (in this instance really really artificial) .
