There is no reason to build a robot to do that except to save money paying humans. The same with bridge maintenance. You even admitted it yourself about the bridge maintenance. This is about saving money at the expense of people’s jobs. And you’re okay with that.
You know what we can do to pay for humans to do bridge maintenance without any issues? Raise taxes on rich people. No robots needed. But I’m guessing raising taxes on the rich is a big step too far for you.
What? They literally pay people to clean national parks.
https://www.nps.gov/articles/000/nps-careers-maintenance.htm
There is no reason to build a robot to do that except to save money paying humans. The same with bridge maintenance. You even admitted it yourself about the bridge maintenance. This is about saving money at the expense of people’s jobs. And you’re okay with that.
You know what we can do to pay for humans to do bridge maintenance without any issues? Raise taxes on rich people. No robots needed. But I’m guessing raising taxes on the rich is a big step too far for you.