This was attributed to Albert Einstein:  'Things should be as simple as possible, but no simpler.'  A corollary might be:  'Things should be as complex as necessary, but not more so.'  Might it not be sufficient to shine a light on the path to the Kingdom?  Do you really wish to try to convince a non-SDA that the keys to the special door (presumably yet open) to that path are held by an organization marked by the dissension currently extant?