If A and B are identical in all aspects except for mobile-friendliness (A > B), most users are going to like A better than B, given that information is laid out in a more easily consumable format on mobile [1].

User satisfaction not only depends on getting a relevant answer, but also how an answer is presented. Their degree of importance is where the weights come in.

[1] Otherwise, why would anyone build mobile-friendly websites in the first place?