You can either use the rock in the hand as a tool, or as a weapon.
Discussion
Not neutral in either case.
A rock in hand is too simplistic
Indoor plumbing is technology.
Is indoor plumbing a neutral technology or not?
I’d argue it’s not neutral. The ruling class were not originally in favour of sewers and clean water because it made the working class too comfortable.
You got a source for the ruling classes of the past being against sewage/plumbing?
I do however agree that tehnology concentrates power.