Uhura's Song was trying to once again tell people that Aesthetics aren't Canon.
Says who exactly? So aesthetics aren't canon. Technology isn't canon. Whatever line of dialogue they decide to ignore this episode is meaningless.
So, essentially, canon and continuity don't matter.
I imagine there will be some delicious tears flowing when the Picard series debuts and overwrites elements of TNG and the novel continuity. Many folks who say it doesn't matter will quickly shift their stance when the things they love start getting overwritten.