Is it time to start killing Muslims? No.
When will it be time? When a Muslim breaks certain laws.
What laws?
If a Muslim is trying to rape you, you have the right to kill them in self-defense.
If a Muslim is trying to kill you, you have the right to kill them in self-defense.
If a Muslim is trying to rape your daughter, you have the right to kill them in self-defense of your daughter.
There are countless other laws and situations where you have the right to kill a Muslim.
Now, when you think about it, the fact that they are Muslim has nothing to do with killing them. It is what they are doing that gives you the right to kill them.