I was on this battle on the attackers' side. I will make it clear for everyone, just note that every post with whine about this situation after this explanation should be considered as posted by a very dumb person.
1. NA_3 seems to be using older version of WSE. There is still a polestagger, you can't jump with ranged weapons, etc.
2. There was a problem with catapult. I don't know what kind of problem was that, but that could be old known problem, when catapults got destroyed somehow without enemy contribution (I think, it happened first when Druzhina was attacking a castle in previous Strategus, I was fighting on their side back to then, catapults destroyed themselves somehow). It is really hard to destroy a catapult using ranged weapons, especially with that bows on such range. But this doesn't matter.
3. By the end of the battle, Mercs had 500+ siege ladders.
4. The only fighting guy on the roof was a crossbowman. I shot him 3 times, but it seems he used a healing tent on the roof. In the end he ran out of bolts rapidly and he wasn't even able to kill anyone with light crossbow on such range. And it doesn't matter because he fell down and made a suicide.
5. Mercs were trying to reach that guy and put at least 3 siege ladders to reach him. That place needed 2 or 3 siege ladders to be reachable, the first ladder was good, they've reached a balcony from which they were trying to settle a ladder. But they failed because it's really hard to do it.
6. After some certain time like 5 or 6 attackers made a suicide (accidental or not, i don't know) and they were bringing ladders, so in any way that roof was about to be reached.
7. Attackers had a lot of time left to reach that roof. That was not a problem.
8. Attackers had everything they needed to kill roof campers. Even if they hadn't ladders, they had so much time and ammo for ranged that they could kill those defenders with volley shots. Watch point 4 about me shooting a crossbowman.
9. Those 3 defenders did nothing to defend their castle. All flags were down, defenders were just hiding doing nothing useful for the team. And you should never compare such situations to usual last stands on the roofs, where defenders actually try to kill and at least damage attackers.
10. Usually, such situations are considered to be an abuse for attackers because defenders give time to loot everything expensive and i think, that there was still 1 construction site and shitloads of construction materials to build a weapon rack (anyway nobody needed it).
11. Troops were put into the castle by HRE a lot of time ago (months ago), everyone could try to attack this castle during months.
12. If it was on EU servers, I believe that Mercs would have a stronger fight. And I blame defenders, they didn't have sticks and stones, they had Byrnies (36! body armour) which is pretty enough for melee not to die in 1 hit. Yes, the gear wasn't good as always but still defenders had bigger numbers. Remember old strat battles (i.e. HRE vs Mercs' village, when Mercs were naked and fought in overall 1:1 KD and even captured a spawnpoint once) so stop whining, it's purely your own fault that you didn't kill. Autobus was hilarious at that fight, he was very useful for defenders, he managed to kill like 10 ladders and a weapon rack, and he also killed a lot in comparison to others.
13. TS went down for a minute, luckily i was on the battle so i could put it up fast but it took time for attackers to get back. It was actually the time when flags were recaptured.
14. I'm not biased, I play for the side which hires me.