While it is admirable to praise those resources that appear to you to have value and credibility, many find a way to do so without discrediting the resources shared by others ("full of inappropriate stereotypes (such as visual learners, sensory dysfunction, literal thinking)... makes it hard to get our child's needs met".)
There may be an art to agreeably recommending alternate resources without attempting to discredit that which was offered to start a thread.
This is needlessly rude, indigo. DeeDee is an experienced 2E parent who is providing valuable information. There is no problem with politely disagreeing, which she has done.