There are ways to achieve that without a blanket ban, if you read their AI policy it seems more "ethically" motivated. They certainly address this first, with many more words and 7 references.
They do go on to address code quality but it is more of an after thought with 0 references, less words and appears lower down the page.
The timing is also suspicious, shortly after publication of this report: https://www.reuters.com/business/media-telecom/smartphone-ma... which forecasts declining smartphone sales meaning less devices for this OS to run on.
