The problem with this is, not to be rude, and im not saying my videos are amazing by any means, I have some pretty bad videos on my channel, so im including myself here, but MOST people who would use this feature have absolute crap videos that I just don't want to watch at all.
I watch various new channels every day because people ask me to via comments on youtube or I'll click on something from the forums that at first glance looks interesting but then 99% of the time im just disappointed in the content.
The fact is that a lot of small youtubers have crappy content, weather it be their commentary, their video quality, or their audio quality, or the video is just plain out boring to watch, among other various problems that can make a video unwatchable.
Even if you get found it doesn't matter if your content is crap, I have a video with almost 14,000 views on my channel but its not a particularly amazing video, I have other videos which are much better that may only have 100 views or even 10 views, but you don't see me with 14k subscribers because the video might have been searchable but the actual content wasn't really amazing and therefore most people didn't subscribe.
The point I'm making is there is a reason small youtubers are small and its not just because of search engine optimization or because you don't have enough exposure, you'll find that if you look at pretty much any big youtubers statistics, they had a relatively small channel with small growth for a while and then at some point the channels just exploded, because they uploaded a video that went viral because the content was original or really really funny or just really shareable, or because a bigger youtuber saw their content and thought that they deserved more exposure for their good content and shouted them out.
So yes, being searchable is important, having exposure is important, but take a look at the big youtubers, do you think your content matches theirs? Because I know my content is not as good as the big youtubers. unless your content is as good as theirs it doesn't matter how much exposure you get.