1. Government suggesting that wearing masks on public transport would be good
2. Government asking everyone to wear masks on public transport
3. Government issuing a legally backed health order requiring everyone to wear masks on public transport, but saying police will take an "educative approach", i.e. no actual enforcement
4. Government legally requiring everyone to wear masks and the police actually enforcing it a little bit but mostly not
Theoretically we could have
5. Government enforcing mask usage rigorously.
Apparently some people think that at some point we crossed a line that was really important, but was it #3, #4, or #5, and why?
Perhaps if you are leading an organization or have some legal authority, you can insist on a precise definition to be used in a particular context, but in general public discourse, attempts to do that are typically ineffective.
You've explained a pretty clear and meaningful distinction. You may not think it is important, but it has a meaning. I'm saying this as someone who supports authorities backing their restrictions with legal authority and vigorous enforcement.