[kenneth]

Element is not Matrix.org.

You can view child porn on Chrome, or receive it by email, or download it by Torrent. Yet I don't see anyone banning web browsers, email clients, and Bittorrent client.

[UncleMeat]

And the takedown was reversed. It is clear that Google now believes that the app is not in violation.

The point is that this is well explained by something other than conspiracy.