I would migrate off fast. If they are willing to do this with their oldest and most popular tool, I have no doubt they'll change the license of all of their code soon.
If they generate an AI model based on your data and allow anyone else to use that model, you should assume that the user will also be able to query data about you.
So really it all hinges on if the AI is only used in house, or if it is accessible by the general public.
That seems an intentionally blind take on the matter. That's like saying that because you've seen a kid shoplift a pack of gum at a gas station, an organized crime outfit stealing entire ATMs from every gas station in a 200 mile radius isn't anything new.
With all of the layoffs, we're seeing about a 50-100x increase in number of applicants for open rolls, so the market is definitely more flooded. Also I'm regularly finding applicants were over-lelveled in past roles, and so usually have about one or two titles higher expectations for level than they actually are capable of having.
If your service needs to survive a global aws outage, you just can't run with any saas. So many of these companies are single regioned in AWS. Auth0, Okta, Datadog, many others put customers in a regional box, and if that region goes down, all of those customers go down.