We have only a small space in our garden that's quite sheltered and has poor drainage. We use that space for the dogs to do thier business and if it was real grass there it would just be a toxic shit swamp.
Also in the city near me they took up a lot of paving stones on a well travelled area and replaced it with Astroturf. Were it real grass it would be ground into a dirt track in a few days.
Yep we had a small 3m square patch of paving, we tried turf and it died due to overuse with kids playing and use using it for sitting out, picnics and BBQs. The choice is deck or fake grass and fake grass is cheaper.
We have wildflower border and fake grass currently.