It doesn't, and why would it? Gentrification is by definition a good thing - making the area nicer, more modern and more prosperous. All these things require in

It doesn't, and why would it? Gentrification is by definition a good thing - making the area nicer, more modern and more prosperous. All these things require investment. People are confusing gentrification with displacement, which are two separate concepts. Gentrification simply means improvement.