I live in one such neighborhood. The ethnic mix has not changed, at least not in a noticeable way. The cool people are gone, and were replaced by tech workers.

I live in one such neighborhood. The ethnic mix has not changed, at least not in a noticeable way. The cool people are gone, and were replaced by tech workers. The old locals are struggling. A new coffee shop with high-priced drinks and a co-working space literally just opened a few weeks ago. Don't assume your own North American perspective maps to everything.