I don’t pay attention to the concept of “official Canon”. To me it’s Canon what I decide to be Canon. So, I don’t want anything to still be Canon, simply because for me it’s Canon everything I decide it is, and I don’t give a s**t about what Disney says. In my head, many of the things that are considered as non-Canon are still Canon, and vice versa. So, I don’t need to wish that something is still Canon, simply because for me many things have never stopped being Canon to begin with.
The Clone Wars Multimedia Project = Canon
The Darth Bane Trilogy = Canon
The Old Republic stuff = Canon
The Force Unleashed = CanonTCW = Non-Canon
Rebels = Non-Canon
The Mandalorian = Non-Canon
The Sequel Trilogy = Non-Canon
I get this and in general agree. However, official cannon does matter in how it affects new projects and media. And that can affect whether a story works for someone or not.
I very much dislike the idea that Anakin built Threepio. But for all official media that is the way it happened and all future stories will be written with that as his origin (should it ever come up again). There’s likely no chance of having a story told in new media that deviates from that history/origin except in a “what if” type scenario.