I can say with a high level of confidence that the goal is definitely not to push larger orgs to ADO over GitHub. ADO is and will continue to be supported and you’re right that its project management features are much more advanced than GitHub, but the mission is not to push people off of ADO and into GitHub.
Your opening and closing statements aren’t mutually exclusive, but I can’t tell if one is a typo (or if so, which one it is).
I didn’t mean to imply that MS wanted to migrate anyone, just that the different offerings serve different kinds of customers, so you can’t really just compare GitLab to GitHub and say MS is lacking in serving some group of them.