Before moving from permissive licences to non-open-source licences (because they have exceptions for TooBigTech), an easy step would be to use copyleft licences, wouldn't it?
> Grafana's a great example of this. AWS and Azure _could_ have sold the unmodified AGPL Grafana as a service or published their modified versions, but instead, they both struck proprietary licensing and co-marketing agreements with Grafana Labs.