Now, might you take some additional risks, considering URA? Sure. But I’m not convinced that’s a bad thing. You want hiring managers to sometimes hire higher risk/reward candidates, otherwise you get a whole bunch of identical low risk hires.
This article is an overblown bit of hearsay. Also, new hires aren’t even eligible to be PIP’d out of the gate, so you’d have to set it up quite a bit in advance.
Source: was an Amazon hiring manager for several years.