>>59758574thumbnail and title help with CTR, but after that the content have to carry the video/vod. YT will push your video if it has good retention and engagement. for an already recognized content creators, it matters even less.
it's obviously not completely irrelevant though, for example, thumbnail for ASMR streams are very important.
all I'm saying is she should commission it or lower the effort, and she's already doing that for her videos so she definitely understands that it takes a lot of time.
