> I don't think the "WoT" is conceptually flawed, and frankly, the argument that "people of average intelligence" can't grasp the concept comes from a very high horse and is also untrue.

I disagree. I have written email encryption software, and I find WoT complicated.

In light of this recent article on HN https://news.ycombinator.com/item?id=13111768 I suggest you re-evaluate the level of ability of the average user.