According to "The Athletic" report, the reason why Arsenal successfully activated the termination fee to sign Thomas was because Kroenke injected funds into the team at a critical moment.
Arsenal sold only one goalkeeper Martinez in the window of this season, but they directly activated Thomas's 50 million euro termination fee and successfully snatched him from Atletico Madrid. So, where did Arsenal's money come from?
The British media "The Athletic" revealed the answer. They said that the reason why Arsenal suddenly had the money to sign Thomas was because their boss Kroenke extended a helping hand to the team and he injected this money at a critical moment. To express trust in Arteta.