Not really. My views have been quiet so far today because I haven't uploaded a video but last couple days my views have been great.
YouTube's layout isn't to blame for the dip in views. People aren't going to avoid your video in the search or related videos due to s****y web design. Even my vids get on recommended videos, sometimes of really popular videos, so I can say from experience that YouTube isn't doing this I am afraid.
Perhaps you need to upload something new, or try something different to bring in the audience?