They recently started releasing viewing data for all shows in six months intervals.
https://about.netflix.com/en/news/what-we-watched-a-netflix-engagement-report
That sounds like the report for the first half of 2023, but also has a link to the second half.
Their exact criteria will probably change depending on a number of factors, but one could look up figures for a cancelled show to get some idea of what isn’t good enough.
They auto-promote anyone with a blue check, which are disproportionately elon stans, which are increasingly nazis.
The Russian troll farms are active on Xitter.
The algorithm likes engagement. The actual nazis, the trolls, and the useful idiots are only feeding each other since that’s a huge portion of accounts left on that site.