Can you clarify what happened last autumn? I'm not sure I recall.
If it ain't GPL and it IS popular, I think those kinds of things are more likely to happen than not.
Even GPL can't force a company to maintain and keep developing an open version when the company doesn't want to. Even if Redis was GPL (no CLA), they could still abandon it and write a compatible clone from scratch. AI makes it even easier to do
microsoft spent a lot of time asking questions to the author - and then rolled out Azure copy of the lib
author went public "how dare they use me like that" - but he did make it BSD himself, it's his problem