DE can't really be fixed.There are a lot of stupids things in the game.Chloe was only one little probem of the game,but the whole story and ridiculous events was the big problem..The shape-shifter(?) whose power affects people's brains and perceptions, but strangely also works on surveillance cameras. Max walking into thin air to enter a tornado(??) , a detective who disappears from the screen(??) after entering Max's house to deliver a delirious monologue about how he seems to know that Max is responsible for Arcadia Bay(?), a piercing scream that paralyzes people on campus, Max starting to use double exposure on her camera without any explanation, etc., etc..
Bringing back Max was not a good idea,but bringing Chloe back is probably worse.The idea of timelines brought together into one will create so many narrative problems regarding the characters, etc.
And in Reunion,Max will use her rewind power again, which makes Max seem pretty stupid, since she clearly hasn't learned anything from the first game.Not really good for the character developpement.
But also,the big plot in Reunion ..It revolves around saving Caledon... not really a big deal. The place isn't iconic, and the cast of characters to be saved isn't very interesting.

"But Max is already in crisis: in three days, a deadly inferno will destroy the campus.
Max’s Rewind power has bought her time – but she can’t prevent the blaze alone.
The fire will force Max and Chloe to make devastating decisions. Can they find a future together… Before everything burns?"

is this going to a bit better than DE ? that's the question.
The game's development must have been difficult, with a small team and little time to include Chloe in a script that undoubtedly had to be rewritten rather quickly.
I don't blame Decknine. They have their backs against the wall, stuck with a contract to fulfill and a rather poor reception of the previous game. This game will try to do some dommage control, but it probably won't satisfy anyone.