No,The Clans Were Not Bound By The Law To Not Help The Wen Remnants !
I saw some old posts
and I was completely vexed.
This got me thinking, about drawing the line between historical framework and the characters responsibilities in the setting.
\-I heavily disagreed with the take about Mdzs being historical fiction ( it doesn't take place in a specific dynasty or era). This is a Xianxia, though it does have some historical inspirations it's by no means takes place in a specific time in chinese history.
\-Secondly, trying using historical context to try to explain why the characters didn't help Wei Wuxian even if they knew the Wen Remnants were innocent goes against one of the core themes of the novel,
That the Cultivation World is extremely hypocritical and corrupt,they don't care about righteousness, despite preaching it all the time.
Not to mention They are ruled by a mob mentality.
In short they only care about power. What's right is what is convenient at the moment and the mob decides what that is.
\-Thirdly,Saying that the Leaders couldn't help because of the law is wrong,we see multiple times throughout the book that people don't care about the state of the Wen Remnants because they deeply despise them, including Jiang Cheng.
His clan was in a good state by that point,so saying that he was in a Vulnerable position doesn't work,he could have done the bare minimum and told Nie Mingjue why he owed the Wen Siblings, but chose to add fuel to the fire instead.
(Jin Guangyao tells Jiang Cheng that the sects were jealous of his success,so they drove a wage between them. Implying that things would have turned out differently if JC had supported WWX),
There was nothing stopping any of the sects from investigating the allegations of abuse at the camps (It had inspectors from all four sects).
Nobody was obligated to take part in the Seige, but they all choose to participate anyway !
And if this was justified,why did they cover up the events of the siege and hid the corpses in the blood pool ? Why couldn't Ouyang-zongzhu bring himself to tell the truth to his son if he thought they were in the right ?
I already made a post,but I feel that one didn't properly address the core issues properly so I made a new one.
Also there is this great post that I found that further examines this: