As a longtime Discworld reader I thought for a standalone book I would not recommend it for first-time readers of the Discworld series.
It is one of his best written works in the use of language and has a lot of heart where it addresses issues about racial stereotyping and the crab-bucket analogy but lacks the amount of spark and punch his best books have. Less than perfect Pratchett though is still very good, hence the 4 stars.

The Good: it ticked all the boxes with Pratchett humour; word-play, inside-jokes, pop-culture references and social commentary.It was nice to see some old favourites make cameo appearances and the new characters of Mr Nutt, Gladys, and Pepe deserved more development. Pepe in particular was an intriguing wild card and I hope he makes another appearance.

The Bad: too many characters & too much going on - the combination of the 'higher powers at play' with the 'racial-minority of the month' did not really work here. Moving Pictures or The Truth are in a similar vein but better done.