That’s more terrible than great.
They didn’t call Alexander the Great that because he was a good dude. “Great” doesn’t inherently mean beneficial. The iPhone changed the world. As did Apple stealing their concept for a GUI and cursor from PARC and running with it.
ARM is its own thing.
Sure, but not every ARM processor is the M-series. The M-series proving the capacity of running a desktop OS on ARM in a meaningful way was important.
All they’d need to do is generate thumbnails for every period on video load. Make that period adjustable. Might take a few extra seconds to load a video. Make it off by default if they’re worried about the performance hit.
There are other desktop video players that make this work.