There were many people who thought that releasing the only actor in Call of Duty: Black Ops 4 was a stupid move and could lead to a drop in sales. In reality, however, the data shows that it plays a relatively small number of games in campaigns, and now it is a very accurate investment on Activision and Treyarch.
During the first three weeks on the market, he says that he is selling better and spending more time on Call of Duty: Black Ops 3 (a PC that is three times better than Steam) this year. Moreover, with Black Ops 4, 20% more time than the average with the previous model.
In short, Call of Duty seems to be: Black Ops 4 turned out to be a real success, and both will continue to be seen in the case of more follow up of the Activision example, as they result in lower costs and higher sales.