Ever since esports gambling sites have been cut off we have had the apprehension of CSGO viewership being reduced. It has however proven to be a false alarm as the viewership numbers are definitely not lower than before.
The recently concluded Starladder event saw upwards of 100k average viewers. Viewership in CSGO is one of the primary sources of knowing how well your tournament is doing. The popularity of a tournament can be judged solely from the Twitch and livestream viewership numbers.