They dont deserve the spectacle. Just make it painful and ill take your word the job was done.

Some specific ones.

Possibly but I would 100% endorse it

https://media.tenor.com/RR50orVt1FgAAAAC/chair-rocking.gif

Yes. With the requirement of it being only be applied by a State fully beholden to Christianity, and the criminals are given the chance of repenting first and face Christ on their way out. Blinding the criminals by poking their eyes out could be a mercy option reserved for some too.

Attend, no. Support, yes.

Yes.

Death is a fate too kind.

50-50

In simpler times, and to be a witness for future generations to know the truth about what happened, yes. Now? Might as well sign up for a "mostly peaceful protest" which has less fear of reprisals for attending.