You have got to be kidding me. Football is the #1 sport for injuries, there are way more serious injuries in football than rugby. You can tackle people with your head, and there are tons of blindside tackles. You have absolutely no idea what you are talking about. And "proper" football is pretty...
It's in the strategy. Watching a play unfold is really interesting if you know what's going on. Or watching a big run where someone goes through/dodges 3-4 guys before being taken down or scoring a TD. I think my favorite part is watching a really great QB throw an amazing pass.