I think the key lies in the title of the post: "frustrated for
second time". Feels a bit like the poster was already miffed cause they didn't get their upgrade cleared on leg one.
This article has a picture of the seat in question:
https://www.businesstraveller.com/bu...-economy-seat/
Hope it's okay to re-post it since the link was provided.
Yeah, I mean if you're trying to find fault in that seat you can easily sit straight enough to bump your knee into the armrest of 39H.