Well... While I too wouldn't call it Premium Economy (and it must be remembered, nor does UA!)..

To suggest UA's E+ "only brings... it closer to European airlines standard economy" gave ME a good laugh actually....

What's the standard Y seat pitch on LH (fr'instance?) .... 31"?? 32"?

WHAT european airlines give 34-36" in "standard Y"? (Well, you say E+ is equal to these...so I must assume you mean equal pitch) I'll make a note of who to fly with if that's actually available!