Error when on VPN

Attempting to authenticate with API token using 'doctl auth init' was not possible when on my VPN (Service:Private Internet Access. Server:Melbourne, Aus) it prompts for entry of the token, but after that it just spews thousands of lines of junk.
I saw cloudflare written somewhere amongst it all and after dropping the VPN, and authenticating with token, VPN can be used again.

Blasting a whole webpage, including images onto the stdout is not super helpful, could you maybe detect the use of CLI Client and change the behavior to a short, helpful message?