RE: Some People

"Wikipedia has been accused of exhibiting systemic bias and inconsistency; critics argue that Wikipedia's open nature, and favouring consensus over credentials in its editorial process, makes it unauthoritative, and that a lack of proper sources for much of the information makes it unreliable."

Hm. So if anything on Wikipedia can be unreliable, is this quote also unreliable?

Re: Where is the flaw?

The problem is the source routing - you effectively specify which path packets should take, so you can overload intermediate sites as well when doing the nasty. IPv6 has adopted this feature from IPv4, and in the process made room to specify more hops.

Relying on IP addresses to solve "a real accessibility problem for mobile users" is never going to work. The problem for mobile users is how to recognize and authenticate legit users, and there are other, more reliable ways to do that already, even in IPv6. IPSec, which is an integral part of the full IPv6 standard, provides ways of doing just that. Several IPSec implementations give a mobile user a semi-static IP on the target network, eliminating the wandering IP issue.

Using loose source routing just to recognize mobile users makes no sense.