I wouldn't necessarily call it lazy, we use so much technology these days that could be considered lazy, cars when you could walk, microwaves when you could use the stove, a washing machine when you could use a tub and wash board, a dryer when you could use a clothesline... I think it's just the natural progression of technology taking over menial tasks, technology creep. We are so busy thinking of if we can do it and not asking why are we doing it and that's how we get this.

Personally this type of technology is great for somebody that can't get home at the pets feeding time because traffic is bad or the boss mandated overtime. Some people pay for people to come feed their pets while they are out of town, now you just buy a device and skip paying a person. That works better for cats than dogs though thanks to automated self cleaning litter boxes also being a thing. But, still there is a place for this type of technology.