Amazon, for example, has brought enormous prosperity to Seattle. Seattle has had successive waves of prosperity driven by large companies - first there was coal, then Weyerhauser, then Boeing, then Microsoft, and now Amazon.
It's a double-edged sword highly dependent on local governments. All the wealth that tech has brought to the Bay Area hasn't improved the dire state of housing or public infrastructure. Economic activity isn't a cure-all.
A flood of tax money due to Amazon has flooded into the city. If the city doesn't spend it well, they aren't going to do better if prosperity flees the city.
Perhaps, but bringing in a ton of workers can exacerbate a shortage. The point is that the ancestral post was claiming that Amazon's presence in Seattle is an unalloyed good, while I'm saying it's more complicated than that.
