Your eyes probably can’t make enough moisture to keep clearing the debris and keep up with simply staying wet while evaporating 24/7.
That's 100% nonsense. All that the parent author said is to drink three liters of water, which is not even a large amount, and you produced your drivel from it. People even use eye drops ten times a day and still don't have any of the fake issues you noted. The eye has enough of a strong immune presence that it doesn't have to worry about these things.
On this channel?
Disappointing.
Just Google it:
Below 30%: Chemical VOC emissions from furniture and building materials can increase due to enhanced wood drying and off-gassing.
Below 20%: Airborne viruses become more stable and transmissible. Human mucous membranes dry out, reducing your body's natural defense against these viruses.
Drinking more water will obviously help.