That ain’t no troll.
ANSWER THE QUESTION.
You cannot.
What is a Common Era? It can only be defined by an event. That event is Christ. Therefore, AD/BC is more valid.
What event defines BCE? Answer the question. Don’t censor expression or burn books.
BCE is doubly in error because it did not rectify the 4 year gap error. So CE/BCE retains the same date errors.
Stick this back in the Professors’ faces for choosing collectivism over science.
Of course it's troll behavior. Of course it's a troll. That makes you a troll. Sod off, stupid!