When Premillennialism was infiltrating congregations in the 30's and 40's, many pleas for tolerance were based on Romans 14. Word and Work. The same thing is happening in our own generation with the Marriage, Divorce and Remarriage Issue. Unfortunately, some see Romans 14 as a quick fix to solving problems between brethren. But the MDR issue won't be the last issue that people try to get into Romans 14.
Many congregations are definitely at a crossroads.
When we use Romans 14 to cover those in doctrinal error, I believe we have taken a huge step towards becoming just like the denominations which surround us. For each denomination has its own categories of acceptable error and unacceptable error. Other passages plainly teach that one spreading error is not to be received. Paul plainly states that the difference between brethren in this chapter is opinions , and opinion which you are not to pass judgment upon. But those who want their 'doctrines' put under the umbrella of this chapter, don't practice what the chapter teaches.