[RegulatorCountry]

they can call themselves whatever they want. i can say i am president of the usa, does it make it so?

If you actually are, it does.

[Jvette]

Though they may be baptized in the Church, though they may attend Mass, when they believe and practice what is not official Church teaching and doctrine, they have separated themselves from it.

The Masses on Sunday are full of people who believe themselves to be Catholic but they are in true belief and practice heretics.