H1B in tech companies are not paid significantly less, and they can easily find alternative employers willing to help with the transfer in Silicon Valley. It's

H1B in tech companies are not paid significantly less, and they can easily find alternative employers willing to help with the transfer in Silicon Valley. It's H1B in non-tech companies that manipulate job postings to massively underpay their workers, and whose geographically-limited set of alternative employers are already small and also generally less willing to offer legal support dealing with the H1B transfer issues.