If you teach your kids right then there's never any reason for spanking. And I don't condone violence against children EVER. Some perverts use spanking as a way of gratifying their sexual perversions. That's wrong on all levels. I've tried to read all posts but skimmed some.
That's just not true. It depends on the child. Some are very, VERY, dangerously willful as young children and won't listen, no matter how much you try to explain or repeat important and life protecting truths. I speak from experience. I have a large amount of children and my last child, was extremely violent and out of control, as a very small child, he would attack me in rages, when thwarted and it was only when, I, finally, gave him a slap, not on his face, or his bottom, I smacked his leg, quite firmly, that I finally was able to get through to him. I also had to restrain him for his out of control tantrums.
He took many years of firm boundaries and luckily I had a strong man, to help me, but, my child has now said to me "mum, I would have become a psychopath, if it wasn't for you, you taught me good morals. You are a good person and you made me want to be a good person".
He is now a, really, really sensible, mature and reasonable teenager, and that's saying something, because I live in a town where a large proportion of young people end up as drug addicts, drug dealers, etc. And yet my kid spurns that subculture and wants to further his education, get a good job and travel to other countries.
The truth is, a timely slap, for some extremely unreasonable small children, along with lots of fair, firm boundaries and mature parenting can save a child from becoming a undisciplined, disrespectful, out of control and spoilt narcissist.
It's all about creating strong personal boundaries that you need to be willing to enforce if necessary, in order to teach your children that not all behaviour is permissible, that other people have strength, limits, courage, and that you need to respect that and not behave in an anti social manner.
Lots of children will never need a smack, thank goodness, and abuse in any form is just wrong and inexcusable and no one should let themselves or other's off the hook, but it's all about context, and speaking from experience, not all smacking is wrong or bad, it's a consequence, but, I believe, only with extreme limits and for extreme behaviours that can't be reformed through dialogue.
Just be sure not to be a giant hypocrite and to earn your children's trust and respect and you should never need to go there after that one time, when they are being completely out of control and hurting themselves and/or other's. And not, with anger or bullying, of course. I am, very much, not a bully, with my children, or anybody.