youtube slideshow

There was a weird internet phenomenon from around 2013-2014 where YouTube was flooded with spam channels that were just slideshows with low-bitrate music. Here are a few examples: https://www.youtube.com/channel/UCKy-8R7nnhkU8vP3tOOyu7A https://www.youtube.com/channel/UCwCUeE3opcFzLsIaj-ZhvHA...

I read this method about two months from Jefis 's amazon slideshow method. I uploaded like 25 videos then I quit because I did not see any results. These videos are getting very few views. Today I checked my stats and suprisingly, I got 2 sales. Not much but that proved this method is still...