[Mirioron]

And the ditch digger requires the engineer to tell him where to dig. Digging a hole for no reason isn't very beneficial.

Even if you take away this public infrastructure you would get private infrastructure in its stead.

[foobarian]

There is no more ditch digger of old. They now use $1M excavators that are probably leased from a mega-corp that purchased it from another mega-corp.

[Mirioron]

Of course there are ditch diggers. You can't dig everything with a machine.