There's an advantage in bottom-feeding (aka slow loading): you have to stop and take stock. It forces you to get back and work with your hands, in a nearly artisan manner, to clip the film into the receiving spool, fit it in the camera, advance it carefully and...
Let's get shootin'! 🙂
BTW, I like my M3's loading. I'll never have it fitted with the quick-load method, which only brought anxiety and frustration to me until a Leica rep taught me how to load film in my M6TTL.
Pherdi... try shooting with one of those Canons one day...