Let's get this thread started again...when will Machinarium 2 be released?
The topic is still being discussed and is relatively active... you just looked in the wrong place.
The place you want to look is within the General Machinarium Topics section, where you'll find the "Machinarium 2 [expressions of enthusiasm]
...perhaps the piracy effect is suffocating the creative passion...
From the August 10, 2010 Topic: Pixel Perfect Gaming interviewed JD Re: Machinarium Pirate Amnesty
"PixelPerfectGaming.com contacted Jakub at Amanita Design to ask a few important questions regarding the recent pirating of Machinarium. Gamers are concerned that developers like Amanita Design may change their mind about DRM free games and adopt a more corporate approach."
Quoting JD from the interview: "...nothing will change. We [Amanita Design] will continue developing cross-platforms independent DRM free games. Despite the piracy our games sell well and we are thankful to all people who paid us and supported us."