I don't think I'd want to be hit with a slug from a .410 either. I just don't think it would be a whole lotta fun.
In this excerpt from Gun Digest 2013, C. Rodney James examines slugs and ammunition for the .410. New .410 ammo is making the load more versatile than ever.
gundigest.com
No recoil to speak of, 10 rounds on tap (+ one in the pipe for 11), it might be OK for HD in the right circumstance. And as mentioned above there are more ammo options.
Now when someone comes out with .410 short shells that might make it even more attractive. No I have no inside scoop on them. It's just a fantasy.