Got it William.  We can't make the differences in understanding go away on our own.  Agreed.

Using the same basis, we can't make the remedy in Acts 15 go away either.  The path forward is accommodating in the Lord one another's differences in scripture.  

First Century Christianity.  

Founders of Seventh-day Adventism.  

Revival and reformation.  

It has never been about uniformity, but always about unity in diversity.  

This is the everlasting gospel:  We don't change to be worthy, and the gospel doesn't have to change to accept us. See Revelation 14.

Oh, and for a practical illustration, in case you missed Hansen's link, check it out here:  

https://www.youtube.com/watch?v=0wgzjlLl3BU