According to Tim Sweeney, yes:
https://www.forbes.com/sites/mattperez/2020/01/14/epic-games...
"Exclusives have been critical in gaining momentum in the presence of a competitor that began 2019 with more than 90% market share"
https://www.forbes.com/sites/mattperez/2020/01/14/epic-games...
"Exclusives have been critical in gaining momentum in the presence of a competitor that began 2019 with more than 90% market share"