If Mozilla cares so much about privacy, why don't they enable an ad blocker by default? Why don't they get rid of Pocket? Why don't they remove tracking from

If Mozilla cares so much about privacy, why don't they enable an ad blocker by default? Why don't they get rid of Pocket? Why don't they remove tracking from their own new tab page? Mozilla is dead to me from a privacy perspective, and they've also made their product inferior.