Around that time I myself became a non vocal apostate brought on no doubt by 1975, I stop going out in service and giving talks about that time.
By mid 1980's I was completely faded away from the organization.
Not DFed for being openly apostate mind you.
Someone who was once an elder who worked at Bethel inspired my suspicion that something was not right with what the Watchtower was doing as far as the preaching and teaching doctrines, such as 1975.