You do not examine legislation in the light of the benefits it will convey if properly administered, but in the light of the wrongs it would do and the harms it would cause if improperly administered.
I may sometimes be willing to teach for nothing, but if paid at all, I shall never do a man's work for less than a man's pay.
Among other things, the Real ID Act sets minimum security criteria that states would have to meet to have their driver's licenses accepted as identification to board a commercial flight or enter federal facilities.