You don't know what you're talking about.
My iPad Pro has a processor in it that's better than most laptops. I edit 4k video from the Mavic2Pro shot in H.265, apply LUTs and render the videos nearly in real time. And it handles RAW files like they're nothing.
I fear I do know very well what I am talking about. It's not because a machine can 'handle' a certain task, that it's doing that without any influence on the final result.
For my TV-work; most customers are not accepting iPad pro-output reject any footage with an iPad-footprint.
But if you're happy with your iPad, I'm happy for you and don't change.
Just accept that there are others with different expectations and results.
The only iPad I use is the mini4 connected to the remote. The editing is done on a Mac or (even better) the SurfaceBook2.