Of course e.g. MKBHD wants more ad revenue. To do so his only option is to put additional contextual ads as part of the video itself, so he does. MKBHD has no way to make a section of the video target individual viewers based on their history. YouTube does, so they do - because they know it makes them more money to do it that way.
Yes. It makes more money for the middle-man. Neither the advertisers nor user gets enough value.
There are so many articles on why your FB or Google ads are not doing well. They show ads the way THEY can make money. Not value for you. This is theh same going when you use adwords.
