aside from aesthetics, some reasons for avoiding choils:
Most people will never get into a situation where they go
"I NEED TO CUT THIS NETTING RIGHT NOW OR WE'RE ALL GONNA DIE!!!", but you might get into a situation where you've got 40 bags to cut and you've got 10 minutes to do it, and you really just don't have the time to a) think about how your using the knife b) be watching your hands to make sure the edge is in the right place to avoid the netting/burlap/plastic sheeting sinking into it or c) the patience to reset the edge every time the media slips into it or d) unsheathing your knife, then taking the time and effort to change to a new grip unnecessarily to avoid all of the above.
Having a choil makes for 2 compromised set ups. The first set up is that whatever your cutting is unnecessarily far away from your hand. This reduces your mechanical leverage meaning you need more muscle to acheive the same force
The second set up is that your gripping a flat bar of metal. Gripping flatter objects (vs. perfectly round) helps to increase control of tortional position, so your can get "fine detail control". The problem is that it puts almost all of the weight and stress onto the fingers gripping the flat bar, because the weight will sink down onto the smallest point of contact (the edge of the choil). you end up with a weird mostly-uncomfortable grip that will wear your hand out faster without a signficantly good reason.
the alternative? don't have a choil. You maintain mechanical leverage without losing the nice comfortable full grip
and if you still want to choke up, you can either grab it in a chefs knife grip (pinching/palming the spine of the blade) or just choke up on the gaurd. It's not that much less comfortable than a choked up choil grip, and chances are you won't have to do it since you don't have the distance created by the choil in the first place.
also, you may want/need the extra edge space for a sawing or batoning action, like through these incredibly dense and brutal english muffins: