That big shot of the reviewer's face. The giant red arrow. The bright background. The breathless title with ALL CAPS. That's like 4/5 for clickbait videos. All it's missing is the face showing some ridiculously exaggerated emotion.
Don't let those thumbnails mislead you. geerlingguy is an active member of the open source community and he produces some absolute top rate instructional and informative videos.
And regarding clickbait, I wrote a bit on that topic over in the Ampere Dev Community site[1], but in summary:
> I decided to focus the intro bit on ‘Could this be the next Mac Pro’? (needs to be slightly clickbaity to get people to actually click. All of us engineering types SAY that we don’t like clickbait, but for 99% of us, if you gave us the clickbait version and the non-clickbait version in your YouTube feed… we’d click the clickbait version 100% of the time
[1] https://community.amperecomputing.com/t/review-of-the-ampere...
I, also, strongly dislike this (thumbnail) presentation but I suspect it must be necessary as it is very widely adopted.
Veratisium did a video on it https://www.youtube.com/watch?v=S2xHZPH5Sng