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I dunno if you're being facetious 
but I thought I should add some things that highlight what I'm trying to get across, but want to preface it by acknowledging I am not a lawyer, and to have an in-depth understanding of the finer points of these kinds of clauses, I recommend consulting with a lawyer who specialises in copyright law and these kinds of contracts, because the range of my knowledge is limited (I just take an interest in this sort of thing, and have done for several years, owing to my many creative pursuits over the years - as such my knowedge is essentially functional, and relevant to my personal interests, and I have been proven wrong on many occasions, even recently by your good self 
).
What I do understand is that "to the extent permitted by law" is an important phrase.
To put that in a more relatable context - where the extent of the law is more commonly known and understood... I can knock on the door to my friend's house, and when they open it, say "if you let me inside your house, then you agree that - to the extent permitted by law - I will be able to take full possession of any contents in your home of my choosing".
The law does not permit me to steal from their home, no matter what I say before they let me in, therefore that scenario would not allow me to steal from them with impunity - even if it was a signed contract, the law doesn't change. So it's a actually just a very misleading way of saying "the law won't allow me to steal from you". (That is kind of a lawyer's job, in some ways, to make it look like one thing while legally saying the opposite, lol, because then people read it and just don't pursue anything because they think they've signed their rights away).
My friend would roll their eyes, let me in, and say "yes, you can have some cookies". 
ebay is letting people know that the permissions granted are limited, but neglecting to clarify what the permissions are and instead focusing on uncontextualised scenarios in which the permissions that are granted may be applied, in a way that makes it look like they can do anything they want with all content on their site.
@digital*ghost wrote:I dunno if you're being facetious
No sarcasm intended digi, I have great respect for your knowledge in this area. The time and advice you provide on these sorts of issues is always valuable and adds some often needed facts to discussions. .....
