User blog comment:Omega natsu2/Episode 184: The Country, Until Tomorrow, Review./@comment-24467372-20140531135422/@comment-66.87.129.12-20140531185448

@NoNickNeeded

It's a little more complicated than that, but the short answer is that Fairy Tail and most other anime are unlikely to be produced in 1080p, even if the sources the studio supplies to broadcasters and streamers are technically in 1080p. Here's a bit more background on the issue:

http://blisswater.info/regarding-crunchyroll-and-1080p-streaming/