if you've got a good lawn , i can see the benefits of keeping on top of it.
one saying i heard is 1 years seed = 7 years weed. i left 2 years of weed seed down (dandelions, wild grasses and a few more

Then the brambles moved in
so i killed my front off yesterday with a crew cut and 2 doses of sodium chlorate

flags and bolted down containers for us.