Sometimes that delays it.

But when the tech is good enough and cheap enough then the picketing unions find their only barganing chip, that of witholding their labor, has become a toothless threat: no matter how long and hard a person of the profession "computer"* refuses to work for me for daring to have an unauthorised "electronic brain"**, the absense of that labour will not cause me any loss.

* https://en.wikipedia.org/wiki/Computer_(occupation)

** https://archive.org/details/electronicbrainh00cook/mode/1up