Compulsory pledges are torture, an insidious form of enhanced interrogation technique. Garbage in-garbage out.
You will feel a sense of community, offer fealty and acknowledge subservience to your country and deity, damn you! Say it, say it !, you 10 year old!" "Say it over and over, internalize it." "OK, have you said it 10,000 times?" "Good, here is a gun."