However single-purpose robots have become part of the fabric of most industries. Heck, most people don't even think of them as robots. So the revolution happened, it is now the new normal.
It's like the defining-down of AI. Proponents promised strong AI Real Soon Now for decades; now they say that we're just being unfair if we don't count email filters as "AI".
In recent months NHK reported on experiments in using simple robots that could help the elderly in Japan with a few chores, but they were a flop mainly because the people involved rejected them instead insisting on human companionship. There's a shortage of working-age people, and a growing percentage of retirement age people there. Many of the younger people stay in the larger cities making the shift even more dramatic in some areas. In the 60's many predicted flat-panel on the wall television sets to be in use by the 80's. It looks like general purpose robots will take longer than many would have hoped too.
Perhaps something remotely controlled by a human with VR gloves etc is viable for the emergency repairs? Things would have to be well shielded to avoid having stray neutrons altering data bits.