I understand what you are trying to say but you are confounding the lexicon. People watching meand people watching. The wrong people will not continue to watch, I thinknthats thenpoint you are trying to make. The algorithm will not pick up the wrong audience just a lack of interest on part of the audience as they do not return for more. Yes SEO is very important in an attempt to be discovered. I have been using key words since the very 1st video I made, but am clearly relatively inexperienced and still learning. In addition to posting videos and SEO you need to do a lot more work on promoting your channel wherever you can. Even pay for adds if you want, need, etc.