They're not weak.They're being manipulated by a religion,or are using it to manipulate others.
The weakness lies with everyone taken in by it mate .They do not recruit by force .Its all willingly accepted by weak people.
Yeah being a Christian here is optional now,and Christianity is dying.With enough conditioning and the right environment you could make a child believe in anything,including Yahweh.
And this is where it all goes wrong for the faithful .Why do you think its necessary to teach a kid religion if its so much part of what you think we are .Surely it would come as naturally as