This is absolutely true the threat of disfellowshipping doesn’t carry the same weight it used to.
Most just ignore the direction to shun. What can the elders do if parents keep having associations with dissed family members?
Would the elders really threaten to disfellowship the parents as well? In the past that may have been a possibility, but these days there wouldn’t be many left in the congregation they are so desperate to cling on to numbers