What methods are being used to measure browser market share? Are those methods inclusive of Firefox users utilizing privacy-forward tools and ad blockers? If not, then Firefox market share may not necessarily be dwindling.

Then again, if Mozilla’s revenue stream is aligned with the world of advertising, Firefox users who strive to make themselves invisible to advertisers are being written-off outright by Mozilla. The population of browser market share is only counting those who advertisers can influence - nobody else matters.