IaaS model is more 'everything is chargeable in small units', a free control plane doesn't really gel with that IMO, and also they have some huge users that it'd cost a lot to run the control plane for, pushing up the price of what you connect to it (or something must give) and making more PaaS-style like DO & Scaleway anyway.
https://www.digitalocean.com/products/kubernetes/
https://www.scaleway.com/en/kubernetes-kapsule/
IaaS model is more 'everything is chargeable in small units', a free control plane doesn't really gel with that IMO, and also they have some huge users that it'd cost a lot to run the control plane for, pushing up the price of what you connect to it (or something must give) and making more PaaS-style like DO & Scaleway anyway.