[image shows the following text "Log in to use old Reddit
To keep Reddit safe, accounts are required to access old Reddit. Log in, or continue without an account on reddit.com."]
[image shows the following text "Log in to use old Reddit
To keep Reddit safe, accounts are required to access old Reddit. Log in, or continue without an account on reddit.com."]
You cannot, and never could, post without logging in.
I think it was a sarcastic attack on the claim that forcing you to log in for read-only access to the website is in any way keeping anything safer than it was.