Is this 100% joke or is there really a Brazil 2 underway? I feel like the world needs a mirror held up to it in the form of a Brazil 2 more than ever.

Wealthy Republicans have them working on a filtered and thermocontrolled chastity belt as top priority.

Just imagine blasting monstrous cloud farts that smell like strawberries with a hint of shitting in the woods

It was a joke. I feel like we're all living Brazil 2.

I would strongly recommend you watch some reviews first. It does not seal around the mouth and nose. It is just a fan that makes a constant stream of air to your face, drying inside of your nose, making you more vulnerable to airborne viruses, which would also help the ash go deeper into your lungs.

My regular run of the mill butt plug drives the dogs nuts every time I rip a mean one.

Do companies release these nonsensical products as justification to squat on patents?

Try this invention from 1977!

(I love an excuse to bring up my favorite thing out of the US Patent database.)

Do you know if they ever ended up making any of these? I'm struggling to really understand "non-adhesive adherence" as well as other parts of that abstract

That and sometimes R&D are given funds to fuck around with, worst case scenario nothing comes of it best case they make a massive return on investment. Sometimes you need to throw together a prototype to see if anything out of it is useful, sure the device as a whole may be pointless but maybe someone stumbled upon a useful quick release concept.

Looking though the related patents, fart filters certainly seem to be a hot topic among inventors.
Here is a patent for a literal butt-plug fart filter.
This one is from last year.

I have been chuckling like a dork at this particular patent since such things first became searchable online, and have never found any evidence of it being manufactured and marketed at all.

The "non-adhesive adherence" is illustrated in the diagrams on the patent which you can see at the link. The inventor proposes "a facing of fluffy fibrous material" to provide the filtration and the adherence; basically this thing is the softer side of a velcro strip, bent in half with the fluff facing outward so it sticks to the inside of your buttcrack to hold itself in place in front of your anus and filter your farts through it.