The CMA has indeed done its job.

Microsoft is just throwing a tantrum over the CMA in the UK having a backbone to see for what Microsoft really is doing and this horizontal integration of existing multi-billion dollar franchises is bad for gamers. Even the UK Government isn't buying into Microsoft's bullshit of bringing title like Call of Duty to Nintendo Switch just to close the deal. [0]

Microsoft hasn't changed their anti-competitive behaviour. The methods are different but the strategy is the same, which they have gotten very clever over the decades.

[0] https://arstechnica.com/gaming/2023/04/uk-government-says-th...