But I wager that is what the "humanists" will always do, because like Cicero they insist on seeing "being human" as something higher than pleasure.
They definitely do and from their point of view, Epicureans adhere to some kind of dogma or be just the unfinished raw diamond or just an example of the past (while still a good one!).
And that's the problem with those who aren't willing to straightforwardly identify freedom from pain as pleasure and see that the overall goal is not some kind of definition of "freedom from pain" that conflicts with or is superior to pleasure, but "pleasure" itself.
I tend to think they might understand the constellation between "freedom from pain" and "pleasure" as you do. The authors I refer to rather argue Epicurus promotes self-sufficiency over excesses, because in the end they cause more unpleasure than create pleasure. Perhaps their main difference is, they emphasize Epicurus' search for painlessness and self-sufficiency (for the reason to be always available of pleasure) rather than calling it pleasure directly (this way would be more antizipating of the canonical structure of the philosophy itself, but makes it even more difficult for the external reader to understand), although they mean the same. Perhaps the devil is just in the details. Especially when it comes to different languages.
They don't seem to speak of pleasure, but indeed they do. But I agree, without a proper understanding, "freedom from pain" can stroll apart and be seen as something different than pleasure.