Valve isn't taking a moral stance against emulators, they're playing it safe legally by avoiding distributing such games when they cannot ensure that unlicensed software won't be run on them and will not invite copyright takedowns.
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Valve doesn't want to carry software that they may be sued over as a distributor.
Until they are on very firm standing that it is ok, they pull the software.
As a distributor of software, Steam has no appetite for distributing any software that may lead it to legal entanglements. Spurious DMCA requests, AI art, or credible threats from Nintendo - that game cannot be distributed.
Valve isn't taking a moral stance against emulators, they're playing it safe legally by avoiding distributing such games when they cannot ensure that unlicensed software won't be run on them and will not invite copyright takedowns.
---
Valve doesn't want to carry software that they may be sued over as a distributor.
Until they are on very firm standing that it is ok, they pull the software.
https://kotaku.com/workers-resources-steam-pc-dmca-takedown-...
https://kotaku.com/workers-resources-soviet-republic-pc-dmca...
As a distributor of software, Steam has no appetite for distributing any software that may lead it to legal entanglements. Spurious DMCA requests, AI art, or credible threats from Nintendo - that game cannot be distributed.