It was a PR exercise, Signing a player for 30 million that they let go for 3 million.
They never really needed him, with Thiago coming through and now Fabregas has basically blocked Thiago's space into the 1st team Thiago decided to go.
Guardiola's transfer dealings at barca were pretty terrible imo
He might have been under pressure from outside sources in regards to Fabregas to be fair to him