Not in the sense that you can de-anonymize people easily (though easier than you might think) but that it makes your traffic identifiable as Tor traffic, which

Not in the sense that you can de-anonymize people easily (though easier than you might think) but that it makes your traffic identifiable as Tor traffic, which can be worse than the anonymity benefits. VPNs (setup with WireGuard, possibly via Algo, though never a commercial provider) are a better choice for most users.