I have purchased something like 30 Fantasy Grounds modules via Steam. Usually they cost about EUR 25, sometimes a bit more. Now Quests from the Infinite Staircase appeared on Steam, and it is priced EUR 59. On the FG site it costs $30 (which is about EUR 29). The Vecna book costs EUR 29 on Steam, which is equivalent to what it costs on FG.

Is the idea that FG wants to drive people away from Steam (as Steam takes some of the income away)? Or is this just a pricing mistake?