Comment by fluidcruft

Yubikeys go on your keychain. You're as likely to not notice losing it as you are your housekeys. Anyway the point is that if you're not willing to run a trusted phone, there are other very viable options... particularly for technical folks who tamper with phone software... and those who cares about the Google panopticon... that are extremely viable and should be acceptable to satisfy the stated intent of the regulation.