I'll gladly introduce you to some clients that would gladly tell you how much your thoughts on this matter are actually worth. Your workaround is still prone to problems just the same...human error.
Multi-User was horrible, don't kid yourself.
No one needs it unless they needed Multi-User? I have clients that use it just for Copy Designs considering how awful it is in DA and the limitations of iLogic Design Copy.
...and if I had to take a guess I would say only about 5-10% are bald, but only due to genetics. The majority of companies that understand it and use it correclty don't need help.
Ugh I give up..