Aside from the obvious deception: https://lifehacker.com/web-of-trust-sells-your-browsing-history-uninstall-it-1788667989

We need something that gives expert warnings based on what experts detect, not community as in every person who thinks they know something when in reality they know less than nothing.

Yeah, This addon is bad for multiple reasons. I used it long ago, but one day I decided it was not worth using beyond even the deception above that they did.

PS, duckduckgo removed wot from their engine so yeah... its no lie.