Ghostery now displaying Ads in Germany, marketed as “Rewards” program
reddit.com
reddit.com
It's difficult to trust the intentions of profit motivated extensions, and the Disconnect website and revenue model seems to be geared towards that.
That same article also mentions PrivacyBadger (https://www.eff.org/privacybadger) that appears to be less undermined by moneygrubbing.
Can‘t be long until Mediamarkt sues that off its web site.