All they said is true.

However, its important to note that he was heavily entrapped into doing it.

Also, in those days, everyone would've been a religious extremist by todays standards. The protestant would have been just as extreme as the catholics, as they were during the British civil war which was far closer to a war of religion than parliament vs the King. Its just that they won that war, is all. So, they chilled out a bit....well, after the vile shit they did in Ireland of course.

The rest of British history, including guy fawkes, makes infinitely more sense when the British civil War is viewed, correctly, as a war of religion.