My wife and I are both Android phone users, so we use Google Assistant a bit, and for a few years we’ve had some Google Home/Nest speakers to set timers/play music/etc., so it makes sense for that to be the primary user interface.
Right now, we’re still in the early stages of “smartening” the house, so the tech aspect of it is basic, but there are two core pieces to it, first is Google Home. My wife and I are both Android phone users, so we use Google Assistant a bit, and for a few years we’ve had some Google Home/Nest speakers to set timers/play music/etc., so it makes sense for that to be the primary user interface.