Some widgets "unblockable" plus "Block new elements by default" fails

Despite proper setting Ghostery does not automatically block all newly updated definitions (I selected all and in Advanced checked "Block new elements by default"). Worse, some of them , some Widgets, it wont block at all. I check them manually, restart Firefox, restart my Mac,... yet on restart/reboot they are again unchecked/unblocked. They are:

YandexAPI
Yesware
Yotpo
ZergNet
Zippyshare Widget

What's going on?

(Firefox on Mac OSX)
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