Regardless, you still have the federal GFSZ law. In an urban area, outside of your vehicle, it becomes a maze of routes that you would have to take and places to avoid. Simply to avoid breaking the law. Now if Wimmers bill adress the issue in a similar fashion to Arizona, i.e. citizens are considered licensed by the state if they are Legal to posess and own a firearm, that will not be the case.
In addition, Utah's permit is recognized in 33 other states! comparatively high in relation to other states permits recognition.
The other benefit is the training. There is a lot of law to wade through when trying to figure them out on your own. The Goal of the Utah concealed carry course is to farmiliarize you, the carrier, on the laws. It is a tremendous help to have a discussion regarding the can's and the can not's of Utah's law.