Complaints or suggestions made here will likely fall on deaf ears.
Boosters are not widely available in many countries for people outside the risk group.
In a lot of places you simply cannot get a booster currently unless you are a healthcare worker, or documented risk group.
No, you can’t even get them privately at this time either.
Imagine a Congress without right-wing extremists at all.
I occasionally read his blog, but "right-wing extremist" would not be one of the words I'd use to describe his content. I know nothing about his following. IIRC he is also vaccinated so not sure where this is headed.
That’s “the most up to date and available booster” in many countries.
The boosters since have been often only available to healthcare workers, the elderly, or those with preexisting conditions.
Strictly excluding those rejecting the vaccine will also select against right-wing extremists (which they generally are), so there would be an additional strongly protective factor at play.