After rereading your posting again, I realized I misunderstood. I thought somehow you had implemented these changes. Now I understand this is what you would like to see. And I agree, it meets my most important objective of making all postings, inclusive of all replies visible by default. I really like your framing for each thread and the shading for the replies. Very easy on the eyes, vs small fonts, lack of grouping, etc.
Based on another best practices shared on the community forum, I have taken to editing those student postings I want to call attention to, so that the student's original posting and my comments are contained in one posting. Unfortunately, this work around still leaves student postings not viewable by default. I perceived students feel their comments (replies) are no longer important, hence the reduction in my summer classes discussion postings.
We agree Instructure is nonresponsive.
Thank you,
~mike