IME, the factors that drive 'things moving slowly' are more likely to be company culture and management structure / ethos than the proximity of workers to each

IME, the factors that drive 'things moving slowly' are more likely to be company culture and management structure / ethos than the proximity of workers to each other. I worked for a fully-remote company during the pandemic, led by highly-motivated and talented engineers, and the pace was higher than in any office I've ever worked.