What I love about this manga is that I could relate with the fl, it's realistic..
I'm pretty satisfied with this ending. For me, this is the good ending as it could get for AoT. What did u expect when it was about a war in the first place?
Paradis might be destroyed, but I think it has nothing to do with the Titans because it happened in different timeline (which probably happened bcs another war in hundreds years later).
Although there's still unanswered questions, I guess it's up to you to interpret it as u like. But Overall, this is still one of the best manga that I've read.
Honestly, it indeed a shame that now some characters r out of the pictures.. But this is why I love JJK so much.. Gege gives no shit about plot armor or talk no jutsu when the characters are gonna to fight. This is just so realistic since the MC couldn't save everyone and ofc there's gonna be sacrifices, and I won't be surprised if Mai won't be last one, bcs this arc sure will be one hell if a ride.
Some chara are gone now, but there's gonna be new characters that will show up in the future, it won't be the same but I'm sure it's gonna be interesting.
I just hope the currents chara rn r important enough till the end of the manga since Gege said he will kill off the character once their roles are completed.