The older ones all think that some of the new teachings are "debatable" , but apostasy? No ...because they would never say it out loud.
But they will secretly say it to one another if they feel completely safe. I can honestly tell you that I was not at all the only one horrified by the scientific stupidity of that "heart and mind" nonsense and discussed it with other elders.
Only about one out of ten (elders!) actually endorsed it - the vast majority thought it was a figment of some young writer's imagination and would be phased out in time.