Things in poor neighborhoods are done differently than in middle- and upper- class neighborhoods. People that grow up in poor neighborhoods develop behaviors, customs, and beliefs that are different from other neighborhoods because they are part of surviving in the struggle. When they move on up, some of those behaviors, customs, and beliefs are no longer necessary and can even be harmful (e.g. strong reactions to perceived attacks). Others may actually provide an advantage (e.g. living through power outages). Regardless, these changes can cause a sense of estrangement from their childhood and original culture, leading to some resistance. Given all that:
What did you change and what did you keep?
In the US, “estates” sounds vaguely wealthy. For example, a fancy garage sale is an Estate Sale (which kinda implies a rich person died and this is their estate being liquidated.)
It’s short for council estate. We also have the same connotation if you own an estate, a large parcel of land with a big house or whatever.