...they were persistent vaporware or scams, then suddenly they were real and everywhere. Hopefully that happens for the others too?

there are more articles about advanced tumors being shrunk to nothing than before (based on my personal monitoring)

[1] https://en.wikipedia.org/wiki/Dental_floss#Efficacy

Furthermore, correlation is not causation and it could well be the case that flossing is associated with better outcomes without causing it. For example, people who can afford to go to the dentist regularly are therefore regularly told to floss. People who care about dental health in general probably floss more, but also may be doing other things, consciously or unconsciously, to improve outcomes. Gut (and perhaps mouth) bacteria have behavioral effects; perhaps flossing is caused by having healthy mouth bacteria!

(at least one study says mouthwash is better than floss. That seems obvious to me! liquids are smaller than floss.)

This eventually leads to competitors taking over and those business failing, which usually results in people losing their jobs.

When governments get equally incapable, and competitors take over, it tends to be a lot more violent.

It's actually great stuff and works wonders for tooth sensitivity above and beyond fluoride shellac. I also order it from the more civilized world.

BioMin is available in the US and is similar, but I don't find it works better and I don't like that it doesn't have fluoride. (I live in an area without fluoride in the water)

I wouldn't be surprised if this can, over time, also cause damage to your jaw, and put extra stress on your jaw muscles.