[LoSboccacc]

- let's put heavy industry at a walking distance

Said noone ever.

The walkable city model ignores the driving factor for commuting, the rest is just bike shedding.

[SECProto]

Or use a different example, inclusive zoning in Japan is generally very mixed, with good outcomes for walking/cycling/transit. The only exclusive zoning areas is for industrial.

https://urbankchoze.blogspot.com/2014/04/japanese-zoning.htm...