How This Website copying From Youtube videos Content ((https://trendysongs.com) (https://ormp3.io) 2.57 million Pages copied)?

these website copying youtube content and indexing content on Google... how it is working? a team cannot do 2 to 3 indexed pages in the least time? please tell me? how the website is working? websites are: http://infoo.in.net https://trendysongs.com https://ormp3.io