Much like covering the walls of your office with coloured stic | 8 Voxel Grid

Much like covering the walls of your office with coloured sticky notes, heatmaps offer an attractive visual artefact that says “UX” and “research” in a way that is both appealingly effortless yet, to outsiders (i.e. bosses, clients, coworkers), imperceptibly different from actual research.
https://www.oliverpalmer.com/blog/the-case-against-heatmaps/