Single Status Update
[insert any non-game Sonic continuity here] should be its own thing as long as it doesn't have stuff from other continuities and follows the modern game canon 100% with no deviations at all
unless if it's the Sonic movie. Then it shouldn't have any game elements or else it'll bomb and not be popular with small children I don't care about
My opinion: every continuity should be its own thing, as long as it doesn't follow Modern Sonic strictly, if it does it should follow that. The Sonic movie… can be whatever it wants to be as long as it's good and enjoyable. Heck, any continuity can be whatever it wants to be, we don't have to like all of them, but they need to be enjoyable, that's the priority.
[insert any non-game Sonic continuity here] should be its own thing as long as it respects the game's continuity and characterizations up to around 2010 or so (after that it's such a cluster-fuck there's no point in even trying). You don't necessarily follow them 100%, but at least keep the original nature and trajectory of the characters and their world in mind so your new continuity still feels like Sonic instead of something completely unrelated with familiar names and faces slapped on (i.e. Shadow debuted as a villain so it's reasonable for a blank-slate continuity like Boom to have him in that role; at least to start. However, I don't care how you spin it, "I hate friendship" is about as far from a valid interpretation of his motives in SA2 as is humanly possible.). Elements from other continuities are fine as long as they can be integrated without disrupting the franchise's core dynamics too much.
My main concern with the movie thus far is that it's falling into the same trap a lot of live action adaptations do by trying too hard to justify its own premise. Remember, a lot of people in real life honestly believe humans invented clothing because a talking snake tricked them into eating some fruit. Audiences can accept a lot of weirdness as long as it's shown to be normal within the universe being portrayed and Sonic has always been at its best when it simply rolls with its weirdness and builds from there instead of trying to question it.