I'm so tired of the assertion that it's "difficult" to fire someone, even insofar as "difficult" means "HR won't allow it." HR's reasons are stupid, particularly if you're in a so-called "right to work" state. I work on multi-million dollar lawsuits for a living, and in every single employment suit I've worked on involving an individual who was fired from a large organization, that person had already been through some kind of PIP.

Isn't lying on during the job interview, especially to this extent, a fireable offense just about everywhere?

While still not cheap in total, Amazon has a 2 year clawback in their relo bonus.