It depends what you mean by strict or liberal..
in my experience BOEs that stuck close to the rules would “strain out the gnat but swallow the camel” , as Jesus said. They would point to W/Tower paragraph thus or old Kingdom Ministry such and such to prove you wrong about some piddling issue. However they could be oblivious to potentially dangerous situations developing that ended up in somebody being before a J C for bad behaviour.
in the real old days, 1970’s , I served with wise elders who had seen life before becoming J W’s . We interpreted the rules as guidelines and applied them with common sense . Anything serious was hopefully nipped in the bud by acting quickly and firmly. The result was a happy congregation and “The Truth” ( as we misguidedly called it) was FUN.