Let people have some fun, it's not like he is pushing people to abandon manually taking care of a garden.
Not everyone wants to take care of other people’s plants. Maybe he already tried to involve his kids and it turned out they were just not interested.
When did this person's hobby become your property to cast your whims upon?
If you succeed at proving that they're incompetent, incapable, just holding it wrong, or whatever: Then what? How would this finding improve anyone's situation -- at all, anywhere?
I don't want to be part of a world where people invaded by AI psychosis have turned a basic human thing like gardening into this AI-monstrosity.
Kids these days want to play on their sega and listen to hip hop.
You just used all major areas of tech - Sensor feeds, Big Data processing, Cloud and AI agents. Only blockchain & quantum computing is missing. What a project.