> I disagree. No planning has lead to many ghettos. The planning we've done here has avoided ghettos. I think the data is very clear on that.

Citation? Where is that? Where I live the planning regime was famously ineffectual in the '50s and '60s, and as a result it's far more livable than big cities that had more planning: https://www.economist.com/special-report/2021/12/07/the-big-...