> Or they are aware and lying, which begs the question of how we can trust anything else.
It raises the question [...].
I'd also say that while your points are valid, its perhaps a bit too black/white to completely distrust them based on such a statement. On the other hand, who's behind this browser exactly? With Mozilla Firefox, Mozilla is behind it, and development is in the open.
For Mozilla Firefox I can recommend CanvasBlocker [1] to mitigate the technique you described. However, it comes at a price: you'll have a harder time with captcha's.
It raises the question [...].
I'd also say that while your points are valid, its perhaps a bit too black/white to completely distrust them based on such a statement. On the other hand, who's behind this browser exactly? With Mozilla Firefox, Mozilla is behind it, and development is in the open.
For Mozilla Firefox I can recommend CanvasBlocker [1] to mitigate the technique you described. However, it comes at a price: you'll have a harder time with captcha's.
[1] https://github.com/kkapsner/CanvasBlocker/