You seem to be reading a lot into a comment that was very upfront and open about what they meant. SJW is a commonly used term that is well understood by most people.
Your claim that the poster is calling certain groups inferior is entirely unwarranted. Please argue against the points they are actually making.
Edit: For examples, look at the various other replies that responded to the post without absurd speculation.
SJW is a commonly used term that is well understood to be a dogwhistle and strawman, as I stated.
There are other commonly used and well understood terms in the English language that similarly are never used directly in the context of productive intellectual discourse (you might be familiar with the one for black people).
I just perfomed reasonable inference, not absurd speculation.
Your claim that the poster is calling certain groups inferior is entirely unwarranted. Please argue against the points they are actually making.
Edit: For examples, look at the various other replies that responded to the post without absurd speculation.