While it’s always a difficult moral quandary to sort out the ethics of a given employer, there are plenty of opportunities in the software world that won’t make you complicit in treating working class people the way that Amazon does:

https://bits.blogs.nytimes.com/2011/09/19/inside-amazons-ver...

https://nypost.com/2018/04/16/amazon-warehouse-workers-pee-i...

https://www.theverge.com/2019/4/25/18516004/amazon-warehouse...

https://www.independent.co.uk/news/world/europe/amazon-used-...

https://www.ft.com/content/b0c22a35-f553-39ec-8b89-d5986d02b...