I don't disagree with a lot of what you said but the bolded parts.
First of all, a plan B doesn't have to be just swapping defensive players for attacking ones, it's more about how we tactically approach the game, sometimes conceding possession against teams and playing on the counter is the solution for example.
Ange needs to be more flexible, teams know how we set ourselves up, it never changes and it's easy for teams to limit us because they have figured out how.
We don't have the wealth of talent a team like City has for example so we have to win games being smart sometimes, not just relying on individual talent.
It doesn't have to be a case of us either fighting on our feet or giving up, grey areas exist in life and sport mate, like I said, he needs to adapt or it will only end one way for us.