Hamilton was better than Rosberg in 2013 while he was still bedding into the team.
Vettel is not now nor has he ever been top 5 on the grid, he proved his worth to Ferrari in Brazil 2019.
Look past his speed, it is the mistakes that have doomed him.
Spun in Bahrain
Off track in Canada
Rejoined unsafely in Canada
Crashed into VER in Silverstone
Spun in Italy
Rejoined unsafely in Italy
Jump start in Japan
Crashed into his teammate in Brazil
What were the reports you read about him probably retiring after 2020? Source?