The 50501 moderators also partnered with Political Revolution, a PAC and volunteer-only activist organization founded out of the conclusion of Sen. Bernie Sanders’ presidential campaign in 2016.
The 50501 movement and Political Revolution said in a joint press release they are calling for the removal or resignation of President Donald Trump, investigations into his administration appointees including Elon Musk, the repeal of “oppressive” executive orders and the restoration of diversity, equity and inclusion frameworks.
From the article you linked in your edit:
https://pol-rev.com/
They’ve been around since 2017. There’s surely a bunch more information about them than about 50501, and they’re “vouching” for 50501.