PMP Certification Planning Questions Test 3

A project manager is planning a project that has 40 stakeholders. The project manager decides that all stakeholders will receive the same type of communications in order to minimize work for the project team and reduce costs. When the project manager reviews the communications management plan with the project management team, an experienced team member voices concerns about the communications decision.
Why might using the same type of communication for all 40 stakeholders be a concern?