It really seems to be a dark mark on the stack exchange brand so I'm wondering what are the steps we can follow to get the administrators to close down the politics stack exchange?
I don't think such steps exist. From a post on main meta addressing site closure:
What does this mean? If there's enough moderation for a public beta site to consistently remain ...
The original text of the question read as follows:
An official from the Biden government's negotiating team has recently
Trump’s Maximum Pressure Campaign Failed Miserably*. -- Robert Malley.
During whose presidency did Iran increase its uranium enrichment rate
from 20% to 60%? Obviously Biden.
By what measure did Trump's stance on Iran fail?
I'm not sure what questions you're talking about, but questions that are intended to promote or discredit are explicitly off-topic here. In fact, of the main close reasons on this site is:
The primary purpose of this question appears to be to promote or discredit a specific political cause, group or politician. It does not appear to be a good-faith effort ...
It's the result of a retagging effort for the polling and public-opinion tags as discussed on meta here:
Better defining the [polling] and [public-opinion] tags
Should [public-opinion] be made a synonym of [polling], or vice-versa (or neither)?
They are showing up because someone has edited the question/answer or a new answer has been posted. Most of what you are seeing are old questions that are just reappearing on the front page.
As for your second question it doesn't matter if they are moot or trivially answerable as that is not a criteria for a valid question on this site. What matters is that ...