The above image is all us folk in the UK see when you do, and if we try to use a VPN + incognito, we get this:
403 means forbidden, so the message is disingenuous.
They must have put some effort into block lists for VPN servers. Even if it works for some of us, it’s not worth it.
For more information on this, see this article: https://www.bbc.com/news/articles/c4gzxv5gy3qo
Probably not directly, but we don’t know because Imgur has unprofessionally decided to return an incorrect raw JSON error message instead of explaining the block.
There is a message from the ICO noting the block and that it was considering fining them for failing to take user reported age as part of account creation. This is different from the OSA age verification