Last I saw Pistols and roses was at Emerald Pastures Farm in FL. I looked but their website is down right now.
I think a lot of “bad” horses are made that way by poor handling. They may be tough, hot, whatever but under the right handling they can be OK, under the wrong (read domineering) handling they can be downright dangerous. My own mare is/was like that. When I got her she was “spoiled” in more ways than one. But after a lot of work via the Monty and John Lyons methods she is very good. But she is still a hot TB and things are just going to upset her more, you can’t treat her like an old trail horse even if she acts that way most of the time. You have to be alert to her moods.
I heard Foolish Pleasure was a bear but just having to have a stud chain isn’t bad, most stallions are like that. It is when they have to have muzzles, handlers with poles, wear the same halter allt heir life with a strap hanging down because you can’t take it off… That’s dangerous! But ANY stallion can be dangerous, even normally behaved ones can snap (the infamous Aly T…).
Anyway once he got to Wyoming and got to be a real horse (out in a pasture with his harem) I haven’t heard anything bad about him and when he died they tried hard to save him so he couldn’t ahve been too bad.
In Tissar was so dangerous they couldn’t handle him at all or let him have full access to a mare (he’d kill them too) so they rigged up a chute system so he could be bred (and the mare protected). Now WHY anyone would WANT to breed to that is a mystery, I guess he must have produced a lot of runners. I never heard that he passed that behavior on though.
Monty Roberts also wrote of a Blushing Groom horse (can’t remember son or grandson) that was crazy and mean as a snake but he turned him around. It was just the people around him that didn’t understand him or care to try to (that is a big problem, some people want to put EVERY horse in the same mold and treat them all the same). Actually he wrote of quite a few of them in Horses In My life or something like that. Very good book!
Gate Dancer wasn’t mean but they said (talked to someone who either worked there or had regular business there) he was just a loon. And loony horses of course are dangerous because you never know what they will do. But hey, it wasn’t anything personal… 
His sire Sovereign Dancer was similar but more on the mean side I heard.
Sportin’ Life killed someone but nobody saw what happened so it could have been an honest spook, wheel and buck and a bad landing. (he was sire of Bet Twice).
At Airdrie they said that Silver hawk, Siphon, Forest Camp would all take your fingers off if you left them in range too long but they were perfect gentleman when they went in and got them out and we got to pet them. That to me is typical stallion behavior, they are mouthy, they bite, they don’t KNOW that is a finger…