Because they're obviously CI assets or something similar. You can find this everywhere. It can also be supposed LGBT advocacy groups or anything like that. Then they can say that a given government is both "authoritarian" and imply that they're homophobic or anti-environmental or whatever. This climate one seems like it was set up perfectly like that.
Wverything in this article is a total jome. The first jailed person they mentioned literally bribed someone for confidential government documents and the article/"activists" claims that "climate advocates" need to be able to do this.
It mentions someone went to prison for tax evasion then quotes some working group talking about "arbitrary detention". Just classic western propganda.
There's probably people who were sherpas up there too.