Shaving, Wet shave vs electric

You think it's meaningless because it's too small to see it? It's a marked difference, whether it's meaningful or not depends on the individual. I suspect a clean cut at that level might be the reason I no longer get shave bumps and ingrown hairs.

It's a visible difference thanks to an extremely magnified image. As they say it's unlikely to have any effect at all.

I've never got bumps or ingrown anything and I've used razors and electric for years.