Because they generated some buzz and are near-SOTA and would be a great benchmark for a PoC subscription that doesn't necessarily aim to compete with other vendors at a similar scale (since their main business is the hardware). Mistral is conceptually cool but is lagging behind. I guess Muse Spark and Laguna would also be okay, just not as recognizable. Meanwhile both Kimi K3 and GLM 5.3 are near-SOTA in performance and considerable in size, a great choice for proving the platform!
As for the 2nd part of your question - that wasn't a relevant concern or consideration here, unless the models would be tainted to a degree to prevent them from having a good coding subscription that gets more developer mindshare towards what their chips can achieve and generate some good PR.