I mean, there aren't many inventions that actually succeed in meeting some human need. Ninety-nine percent of them are just some ugly combo of pushy marketing and spineless consumers.
Being ambivalent doesn't mean that you're a relevatist, that anything goes; it just means that you show the complexity of life. Life is always complex.
I was first introduced to Kafka's writing during my compulsory army-service basic training. During that period, Kafka's fiction felt hyperrealistic.
I have to admit that talking authoritatively about my students' stories can make me feel, at times, like an astronaut who has just landed on a new planet and insists on giving guided tours to its inhabitants.