Do wine writers need qualifications?

After 15 years as a wine autodidact, I am wondering whether it would help to study for some professional qualifications. So I spoke to some experts...

When I’m at a loose end, I like to go on Amazon and look at the customer reviews of my rivals’ books. One in particular that stood out was for Hannah Crosbie’s Corker, which I wrote about last year. The review was from an ‘Emma Sedly’. It seems to be Sedly’s only review so I am treating it as suspicious but anyway here goes:

“The author has not achieved …