As @andibandit mentioned, the fact that those are only Steam numbers doesnt mean that drop is not across all platforms and launchers. Its just a part of general trend.
Since those who use Uplay(that no1 likes but Ubisoft) experience same issues as those using Steam(and considering that Steam is far more popular platform that dreaded Uplay, not to mention its being multi-gaming platform, that will result in occasion "ohh well, since i have Steam running, why not to play some Divi...
As @andibandit mentioned, the fact that those are only Steam numbers doesnt mean that drop is not across all platforms and launchers. Its just a part of general trend.
Since those who use Uplay(that no1 likes but Ubisoft) experience same issues as those using Steam(and considering that Steam is far more popular platform that dreaded Uplay, not to mention its being multi-gaming platform, that will result in occasion "ohh well, since i have Steam running, why not to play some Divi...