Answering my own question, but this Quora thread contains some good answers: https://www.quora.com/Why-is-the-salary-of-software-engineering-jobs-in-the-US-dou

Answering my own question, but this Quora thread contains some good answers: https://www.quora.com/Why-is-the-salary-of-software-engineering-jobs-in-the-US-double-that-in-the-UK https://www.quora.com/Why-is-the-salary-of-software-engineer...