Marketing "Best Practices" are simply tactics that worked 6 months ago and have now been commoditized. By the time a strategy is a LinkedIn think-piece, it is already losing efficiency.
Zig When They Zag
Currently, "UGC" style ads are the best practice. They are everywhere. As a result, users are developing "UGC Blindness". We are seeing a resurgence in hyper-polished, cinematic studio ads simply because they stand out against the sea of shaky iPhone footage.
To win, you must identify the visual baseline of your specific niche's feed, and do the polar opposite.