How is this article related toemployment-at-will doctrineor State Workers' Compensation Laws or Employee Privacy Rights/labor law?

"

Ex-Amazon employee sues for wrongful termination, claims coronavirus whistleblowing led to firing"

This is a link to the article :

https://www.geekwire.com/2020/ex-amazon-employee-sues-wrongful-termination-claims-coronavirus-whistleblowing-led-firing/

How is this article relatedWrongful Discharge ( An employer's termination of an employee's employment in violation of the law or an employment contract? Is there any related to State Workers' Compensation Laws or Employee Privacy Rights/labor law?

What is the summarization and argument that we can make legally? What law is applying to this article and what argument we have? Is this a legal issue?