TL;DR:
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They will avoid monetization
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They will avoid providing step-by-step guides to play games on the emulator (I assume they mean extracting games from the console using hacked tools)
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They will avoid providing keys or circumvent DRM, you'll have to get everything from your Switch
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The devs are upset at how much attention they're getting which is kind of ironic considering the article.
"We wanted to fly under the radar at the start [...] It's already much more widespread than ideal for the current stage of development."