Dissatisfied pub-goer accidentally leaves glowing 1-star review

Is there a word for when you want to insult someone but end up paying them a really nice compliment by mistake?

The Antelope pub in Surbiton, London, received a 1-star Google review to be proud of.

A screenshot was shared on the r/casualuk subreddit, where it went viral and people were able to add their own contributions to the critique.