Earlier quoted context omitted.
We have problems here with crows destroying lawns to dig up grubs. If you're in the PNW, those invasive grubs were going to destroy your lawn anyway. More information: https://invasivespecies.wa.gov/priorityspecies/european-chaf...
Nothing grows in my lawn. Everything grows like mad in the non-lawn areas.
Some trees put out a chemical barrier to growth, as well. Red Cedar and Black Walnut do it around here.