My goal in the discussion of "Humanism" has been to generate "light" rather than "heat," but since the goal of life is "light" (pleasure), and not the avoidance of "heat" (pain), I have more to add. The accompanying graphic is not a "proof" of anything. It is simply a summary of my observation, over many years, of a common thread that binds what I find to be the majority view of "Humanism" to what I find to be a popular but flawed view of Epicurus.
The text on the left is from an article that just came to my attention. It is what is often considered to be a "good" article about Epicurus. However the version of Epicurus that it promotes, I submit, is not a version that Epicurus would recognize or endorse, and not only because he would not appreciate being called a liar.
I certainly understand that many people will disagree with my commentary on the right. Everyone has to evaluate for themselves whether this pattern and connection really exists, and their own view of it.