those deanonymization vectors (stylometry and input device biometrics) have been known for a while in the privacy community. re: stylometry, AI rewriting will be useful once it becomes fast & cheap. but research shows that trying to emulate another writing style is already effective. for input device biometrics, there is the kloak algorithm. and which ships with qubesos https://github.com/QubesOS/qubes-gui-daemon/pull/149