He does not take the old commitments so seriously. Personal separation is more from habit than from devotion to Christ. He prepares for a life of comfortable affluence. At that point, familiarity breeds tolerance, whether in ones personal life or in the corporate. The old positions now become negotiable.
Personal separation is a matter of preference, no longer of devotion.
The church doctrinal statement becomes a set of loose guidelines. The association's values and bylaws, hammered out after hard experience, are replaced by others, more pragmatic, and its preaching becomes calm. It becomes important to keep up with the times, and the moves away from the founding purpose seem to pass unnoticed. Unlikely that he would have, but a predictable justification. Fuller Seminary showed how the process can be accelerated.