I will try again. Have you thought about re-training? There are various government schemes that would help with this.
Have you tried to get a job locally in a shop or a pub? This would help to wean you off benefits.
When was the last time you went for an interview in manufacturing and someone said you were mad for coming back? How often has that actually happened, and do you really believe that this is the reason you have not been a successful candidate?
Do you not find it something of a paradox that it's the taxes of immigrants like me that are paying your way, while you sit on your arse at home moaning about immigration and compulsively spamming the internet with your "life's work"?