Determining Central Ideas in a Literary Critique

Read the following excerpt from a literary critique:

In her seminal work, 'The Art of Disconnection', Emily R. Thompson explores the intricate dynamics of human relationships in a technologized society. She posits that the proliferation of digital communication methods, while ostensibly connecting us, paradoxically encourages emotional distancing. Through a series of case studies, Thompson illustrates how the immediacy of online interactions often undermines the depth of personal connections.

This critique examines societal implications of Thompson's arguments, raising questions about the authenticity of relationships formed in the digital sphere. As she articulates, 'The binary ease of communication is a double-edged sword; we must question if what we gain in speed is lost in sincerity.'

What is the central idea presented in this passage?