Welcome to adult leadership.
Unfortunately, there are those in Scouting that want to do Scouting THEIR way or just cannot manage to play well with others.
Some options:
Lead them. Easier said than done, but by setting expectations and leading by example, advising and guiding you may be able to get through. Continue to have discussions with them and let them know why you have certain expectations and how they can help you and the Cubs by following them. Hard, but really the Scouting way.
It's your sandbox, your rules. Now that you are CM you have push back on certain be