Did Gabriel Marcel argue that people should give up technology?

No, Gabriel Marcel did not advocate that people should give up technology.

While he was critical of the modern obsession with technology and science as universal tools for solving all human problems, he did not suggest abandoning them. Instead, Marcel argued that an over-reliance on technology often leads to a "smothering" of the human spirit. He believed that technology seduces individuals into equating material comfort with human fulfillment, which contributes to a sense of alienation and a "broken world" (le monde cassé).1

Marcel’s concern was that the modern world prioritizes "primary reflection"—the functional, abstract, and objective analysis used in science and technology—at the expense of "mystery" and the deeper, subjective experiences of human existence, such as faith, hope, and love. He maintained that while primary reflection is an essential part of human engagement with reality, it should not be viewed as the only valid way to understand the world or address human concerns.12