Meh endings are a very common problem with the genre, not exclusive to AoT. It's very hard to find a good Shonen ending that managed to please everyone. : r/ShingekiNoKyojin

The ending to attack on titan is one of the most overhated and

Are there any anime/manga where the ending was satisfying enough

Lolita Magica

The general ANIME thread [Archive] - Page 4 - Project Reality Forums

Was the ending of the Attack on Titan manga really that bad? The

The-O Network - Miku Expo 2018 Europe announced!

Is the ending as bad as people say? (Anime only) : r/ShingekiNoKyojin

emoetion/data/Cowboy Bebop at master · Havaldar/emoetion · GitHub

Ichigeki hissatsu issue 2 by The Purple Prince - Issuu

Naruto 699, 700 – Grand Finale (END) – Random Curiosity

The ending to attack on titan is one of the most overhated and

Shingeki no Kyojin - 04 - Lost in Anime

What Was the Last Video Game You Played? - Page 17 - Games

Which anime is better, Castlevania or Attack on Titan? - Quora