Possible crypto backdoor in RFC-2631 Diffie-Hellman Key Agreement Method

[Georgi Guninski]

On Thu, Sep 03, 2015 at 11:59:11AM +0000, Peter Gutmann wrote:
> One saving grace about RFC 2631 was that it was pretty much universally
> ignored for the reason that it was, well, a pretty stupid way to do things, so
> the number of affected implementations would be approximately zero.
>

Even if "affected implementations would be approximately zero",
can we count this as "crypto backdoored RFC" as per OP?