Friends of ours have plastic grass horrible stuff, mind he is one lazy bastard.
A good pal of mine does as well. He spent good money on it, and it does look fantastic to be honest.
But as DG (jokingly?) alluded to, he has to regularly get the vacuum out on it, so probably not labour saving. Though arguably its quicker and less effort to run a cordless dyson over it than faff around with poxy electric mowers.
The hotel I stay at in Gran Canaria had a cosmetic refresh in 2017/18. One of the changes was the covering of the tiles on the sun terrace around the pool and the balconies with artificial grass.
This year it seems to be weathering well and is much nicer than walking on scorchio tiles to get to and from the pool.
The hotel is pretty good on landscape maintenance, (especially given their price point) and not only are the palms and flower beds kept tidy, the 'grass' on the terrace is cleaned/refluffed/hoovered regularly. I have only seen it done once, but if they do it once a month or so and you're only there for a week or two or out when they do it, you'll obviously not see it. I suspect the balconies are done by the maids. With a hoover.
A chap down the road had some fitted next to his driveway so that he could park on it without trashing the grass as an alternative to gravel.
Not sure if it's a local ordnance, or if it is a national one, but you can't simply pave an area without installing a certain amount of drainage for a given area, whereas gravel or artificial grass makes for a low maintenance cosmetic solution and doesn't affect drainage.