It’s not that they don’t criticise, it’s that when something negative shows up, they defend it showing several biased sources, as if they meant anything, or jump into whataboutism.
Whenever someone posts something negative and promotes discussion or critique about it, lo and behold, see how this other country is also horrible and see the good things mine does. Like dude, cool, let us discuss this and you can create another post for those things. It’s pretty clear that they want to divert the conversation.