First, insisting that the computer is just a tool is a defense against the experience of the computer as the opposite, as an intimate machine.
It is a way to say that it is not appropriate to have a close relationship with a machine.
Computers with their plasticity and malleability are compelling media.
They have a psychological ‘holding power.’
Women use their rejection of computer holding power to assert something about themselves as women.
Being a woman is opposed to a compelling relationship with a thing that shuts people out.