I thought our forum members might want to know about this. It appears that Lonely Planet's Thorn Tree forum -- after being made "read only" at the onset of the pandemic -- has closed permanently.
I haven't personally spent a lot of time there, but this is a loss for the wider travel community.
More info here: https://www.phocuswire.com/Lonely-Planet-axes-legendary-Thorn-Tree-travel-community