@BeAware
Thanks for muddling through my phrasing issues.
Definitely I mean the person receiving the response may not be seeing them because a bunch of other posts came into their feed. I am by no means qualified to speak on how this fediverse works. I keep my main scrolling on my home feed so I get responses and all the hashtag and posts from people I follow there. Lately I have been trying to train myself to scroll back because I am not seeing a bunch of things such as responses. I like seriously have to do this and use likes to try to find what I left off. it's important to me to at least acknowledge I saw someone. I have missed even simple things like a response to what type of flooring some DIY person was using. When they didn't respond I assumed they never saw my post. I was so surprised when I found they had answered and I hadn't seen it for 2 weeks. So to make myself feel better I always just assume it wasn't seen.
Your situation sounds much more complicated. I hope for a positive outcome for you