Originally Posted by
remydat
Yes my whole point was that they had fears related to what she would do to defeat Cersei.
However she didnt burn children to defeat Cersei. She burned children for fun. Nothing in the show sets up anyone thinking she is that sadistic. This is out of character because it had nothing to do with her attaining power or the throne or punishing evil.
If she had burned the city in order to defeat Cersei that would be consistent with her previous characterizarion. Instead she burning children for fun after the city had already surrendered. That is what makes it out of character.