They risk a £2,500 fine for "graffiti", wow. Always wondered why farmers don't put up more signs saying what they are growing in fields and orchards, or raisin

They risk a £2,500 fine for "graffiti", wow. Always wondered why farmers don't put up more signs saying what they are growing in fields and orchards, or raising in livestock fields. Seems like a cheap and easy way to get people to engage and appreciate what they're driving past.