Of course, it's extremely creepy. But to be honest, I wouldn't expect anything else from Microsoft. Also, at the same time NSA open-sourced Ghidra, so I have a feeling that Microsoft is just trying to hold the line, but Calculator? Compared to maybe best reverse-engineering platform ever created? It's just meh.
I agree with you that this was getting way to much attention for only open sourcing a Calculator application. Would be cool if they made the old Microsoft Paint open source.
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