And they chucked the habits because ...... ?
Because it was fashionable to do so in the 1970s ... and they bought in to the satanic lie that by ditching their distinctive garb, their uniform, they would be seen as "relevant" by the world, and their "message" (whatever it may be) would be more easily accepted.
Instead, they signed their organizational death warrant.
It's not a difficult concept ... lots of folks understand it.
Because — they thought the would concentrate on themselves rather than on Jesus.