No, you got it wrong. This is a movement from the working class that grew spontaneously, because it focuses on an actual concrete issue of the working class.
Some figures that are part of the extreme-right, like Kim Kataguire and Nikolas Ferreira are trying to spread false news about the project and even their electoral base are criticizing them for it. And others more moderate right wing, who are opportunists, are also adhering to the cause since it gained popularity.
Some people linked to the Workers Party are vacilating and even trying to defend the Michel Temer position (MDB - center right) so that collective agreements among unions and employees should be above the law. However since many workers aren’t even organized, this policy would only benefit sectors who are already organised. This is an extremely bad position.
This is a golden opportunity for the Brazilian left to push reforms and a class struggle agenda. All radical left (PCBR, PSOL and PSTU) is pushing this reform. Some people from PSOL are leading this struggle. Even some people from center and center right are adhering to this because this issue has gained immense popularity. So either to Brazilian left leads this fight or some opportunists from the right will take this movement over and the opportunity will be missed.
I had a few acquaintances who were Free Masons. It’s actually not a very uncommon thing, they are basically everywhere. IMHO, it’s just an old men book club.