Was NZ Rugby Incentivised by Pfizer?

Why would a football player think he had the right information to promote a medical product to the entire nation? Meanwhile in that same nation, a group of qualified doctors are working tirelessly to alert their fellow citizens to the fact that something is very wrong.
https://nzdsos.com/news/

It seems likely that these players were exempted from taking the mandated product that they promoted.

SOURCE: https://www.youtube.com/watch?v=FksCoXtEouM