I think you are missing what @Navi_8K is saying. Although i get what you are saying.
Pimax in terms of features and capability & price , Pimax is streets ahead of their competitors: .
Vive Pro Eye - $1935.28 USD ( sale $1630.49 USD) (full bundle witih eye tracking)
Pimax 8/kX - $2076.00USD(sale $1999USD) (full bundle with index and base stations + eye tracking)
X-Tal - $5,800 USD (no eye tracking avail yet)
Varjo - $5,995.00
so with eye tracking the only real competition is the Vive, but they seem to have a problem , one could say that HTC was never really targeting consumers.
That didn’t stop the casual masses from buying them like fools) I remember when the Pro first came out you had channels like Cas & Chary and all of the mainstream VR channels getting them for review on their channels… (remember @SweViver had his cry session about not getting one strangely i can no longer find that video on his channel, I would remove it too, HTC was never worth crying over)
If you take eye tracking out of the equation then the only real competition would be the X-Tal and its not even close in price. And even in specs that resolution seems more comparible to a 5k+
of course its not all about FOV to @Navi_8K 's point so in terms of price alone their competition is almost everyone is their competition.
Valve Index, HTC, WMR all of them have a product that lines up price wise with one of the Pimax offerings.
But Pimax still wins because even their lowest headset still beats them because of the larger fov and modularity. ( it’s hard to take fov completely out of the equation 
Honestly when I think about the price of the PImax its priced very competitively with the Vive Pro Eye
Funny thing about the Vive Pro Eye, I did a search and NOBODY is talking about it. Seriously nobody not even the guys who all got them for free before to review have them. On htc’s website it only comes up on the chinese and EU websites. Not in North America at all. Maybe it was a soft launch but, the fact that it is available for purchase and not even @mixedrealityTV has one is pretty telling.
Even if vive pro eye were available it doesnt bode well for eye tracking becoming standardized tech anytime soon, as i dont even know if they have a general driver for foveated rendering etc like PImax does.
Does OpenXR even cover eye tracking yet?
Anyway can Pimax turn it around . YES. Remember when sony almost lost the console generation with the ps3? They turned it around because eventually the corrected all their problems and people kind of couldn’t hold the bad times against them.
Once pimax releases their product in all of its shiny glory , fix their issues , I bet even if they donated an 8KX to Mike from VR Oasis. Even he would have to publicly apologize to Pimax. (sorry a pig just flew outside my window)