I had a business advisor recently on an idea I pitched to the local council (but never heard anything back...) and he absolutely hated business plans. However,

I had a business advisor recently on an idea I pitched to the local council (but never heard anything back...) and he absolutely hated business plans. However, if I want to get any sort of Government or Trust funding for any business I want to start, I need a 40+ page business plan. Boring. I agree with your points, it's much better to spend that time writing code and getting customers. I prefer to write concept plans and strategies that take maybe 5 pages instead.