I don't think so. I remember reading that one reason they open-sourced it was that they didn't want to have to retrain every hacker they hired to use Ghidra ins

I don't think so. I remember reading that one reason they open-sourced it was that they didn't want to have to retrain every hacker they hired to use Ghidra instead of IDA or something else. They're probably holding stuff back, it's the NSA after all, but Ghidra is probably still their tool of choice.