This isn't true in the industry at large. To the degree it's true among the HN demographic it's true early in careers. People don't do that forever. If you have a family, you like the stability of a place and don't want to have to spend all of your nights and weekends grinding Leetcode and networking. Once you're in a senior position, it takes time to build the connections and reputation inside a company to be effective, and constantly moving is a disadvantage. Even if you're done being promoted, many people reach a point where they're earning enough to support their lifestyle and have other priorities. I have plenty of friends at companies like Microsoft, Google, and smaller boring companies HN doesn't care about that absolutely could switch jobs for another 20-40% in comp but would have to work twice as many hours a week to do so, and that's a bad trade.
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This isn't true in the industry at large. To the degree it's true among the HN demographic it's true early in careers. People don't do that forever. If you have a family, you like the stability of a place and don't want to have to spend all of your nights and weekends grinding Leetcode and networking. Once you're in a senior position, it takes time to build the connections and reputation inside a company to be effective, and constantly moving is a disadvantage. Even if you're done being promoted, many people reach a point where they're earning enough to support their lifestyle and have other priorities. I have plenty of friends at companies like Microsoft, Google, and smaller boring companies HN doesn't care about that absolutely could switch jobs for another 20-40% in comp but would have to work twice as many hours a week to do so, and that's a bad trade.