Interesting video about Fake like factories

I think it might interest people here

https://media.ccc.de/v/36c3-10936-inside_the_fake_like_factories#t=270

Will definitely be an interesting video to watch. I've saved it for later. I am very certain of this one thing: Likes-buying and every other thing that is done to gain visibility on the internet will never go away, as long as getting money remains relevant.

It is such a pain to do it, why the company (paidllikes.com in this case) not using bot to stay efficient? (Bot is not dead if you know how to do it)