Wow. Yeah it sounds like your intuition is calling out an important issue. Personally I have three almost-teens and we had to learn the best parenting style for each kid as well as for ourselves and the ways we interfaced with those children. When we got medical advice that was really off, we generally ended up changing providers. Overall it was most important to learn each child's pace and preferences early on, so w…
On the same note, to paraphrase Penn & Teller, anyone who feels compelled to obsess over their child's development is probably going to do fine, by virtue of their concern. Kids just need you to love and care for them, the best you can, not perfectly.