Xplay improves match quality in multiplayer games. When we added crossplay between Paladins Xbox and Switch:
— HiRezStew (@schisam) February 8, 2019
>> Wait time reduced 30%
>> Level spread between players down 40%
>> 40% reduction in ELO std deviation per match
>> 80% reduction in "Bad" matches (by our internal defn)
More proof showing why crossplay is inherently a great thing and why Sony still suck for not supporting it well enough.