According to L’Équipe, race radio communications between sports directors and their eight riders will be broadcast during all the stages, but in a delayed format and after monitoring by a specially delegated group of six organisation officials to prevent ‘eavesdropping’ by rival squads on other teams’ plans.
https://www.cyclingnews.com/news/tour-de-france-race-radio-broadcasts-confirmed-for-17-teams-five-refuse/
This may explain how anodyne what you hear is.