[TV] Why does Daenerys now says "Dracarys" with an american accent?

Compare [this](https://youtu.be/IU2bIzsJ8LE?t=3m6s) to [this](https://youtu.be/uT0VovovajU?t=19s), [this](https://youtu.be/Oey-d6qRXuc?t=3m41s) or the last episode. Did the showrunners stop giving a shit or am I missing something?