If the crops fail, sorry, no return on investment, I'd say. Plus why even plant them in the first place when you can pull some images off the net and post them on the user forum. "Wow - your crops are doing awesome!"
Few weeks later - "Sorry, blight, onion fly, club root. Not our fault. Please hand over another couple of hundred quid next year. "
Cynical? Me? Never!
Where do i sign up to be an i-Shag operative?