I think barclays should stick to banking and leave the rumours to others
You do know they have analysts to predict trends/movement in markets for their investment arm, Barclays Capital? This is people's day-to-day jobs.
Anyway, it will be stupid if Apple do this with no financial motive. They would be alienating people for what they "think" is a good idea, whilst presumably selling an alternative.
It's fine for people like us who post online about iPhones and are enthusiast, but I'd think the majority of people would like to have a charger. If it's an option to remove for around £10-15 less then it may make sense.