"a view largely endorsed by a preliminary ruling in February by European patent authorities" If one clicks through, you discover it says literally nothing of the sort, it just says they will include that email exchange as a possible prior art reference (along with a lot of other things). It actually doesn't express any opinions at all, except on the priority claim, which is not related to this part. It is literally a…
I think you missed the other seven pages. Page 2 paragraph 6: > The present application does not meet the criteria of Article 33(1) PCT, because the subject-matter of claim 1 does not involve an inventive step in the sense of Article 33(3) PCT.
The part you cite is about whether that claim is patentable at all in view of the paper, it's unrelated to the prior art emails. If that is upheld it would mean the person complaining here could not get a patent either. They've made no determination that what is in the emails is relevant to anything that I can see. It would also be par for the course since examination tends to take a while.