The writers wanted to make klance real! They wanted to do more Shadam/Adashi! They were forced to change their story by Dreamworks that's why nothing makes sense in s7!
Shiro mourning Adam for 5 secs, Allura suddenly likes back Lance and Acxa and Keith forced to like each other because Dreamworks ruined the story we deserve and what the Voltron creators made! Fight for the official story!!!