You can now let Steam know you’ve played some games on other platforms
For all its issues, one thing is true about Steam: it’s continuously working to make its systems better.
One of them is the recommendation algorithm that looks at your library to figure what similar new titles might be interesting for you. Until now, in identifying your preferences it left out all the games that you pressed that “ignore” button on, for whatever reason.
The problem with that was, of course, that Steam immediately concluded that you ignored a game because you didn’t like it,