“Before that Christianity was a tad more vigorous and disposing of heretics was done up front with fire and the sword!”
You’re wrong. As usual. How can you be this wrong this often? Seriously, it’s as if you put effort into simply getting everything in history wrong or skewed.
There were many others who followed ~ Gnostics seem to have been hit pretty hard.
True enough execution for heresy didn't end until some time in the 1800s, but that period just after legalization seems rather hectic.