Yes, oh no. Dark patterns are closer to fraud than to a legitimate business model I'd recommend to my friends and family. Nigerian princes selling you gold is a business model too.
The company you work for, how do they make money? Do they market their products?
Yes of course. What's your point? All marketing lies, and there is no spectrum, and therefore no moral ambiguity in doing shady things?
There’s always ethical ways to generate money, too. Opt in generosity is proven to be viable.. see: Wikipedia, All of Patreon, Etc
Reddit gold was that, for a long time. Presumably, it didn’t work. (Or maybe wasn’t profitable enough?)