Is it still possible to generate revenue from match 3 games in 2016?
The short answer is - definitely YES.
Candy crush Saga is still one of the strongest games in the appstore and there are quite a few real case studies of indie's that still generate good revenue from match 3 games.
This post covers an extensive research about the DNA of match 3 games.
How to make revenue from match 3 games in 2016
Give it a good read, it's priceless!