My wife has no real interest in programming, but is learning about it through conversations because she cares about me, and therefore cares about what I do. If I were to suddenly die or otherwise leave her life, she wouldn't continue any connection with programming.
I have no real interest in embroidery or painting, but I am learning about it as I talk with her about her loves and interests. If for some reason I were to lose her, embroidery and painting would cease to be part of my life.
I don't see the original author mocking anyone, I see her deploring the fact that so many people don't take a genuine interest in what their life partner does, and which is sometimes their passion.
I see the original author suggesting that a genuine effort to understand one's partner's interest will enrich both lives.
I've heard that Churchill once said: "If over dinner you find yourself seated next to a manufacturer of glass eyes, take the opportunity to learn about it - you will probably never get the chance again."
I've not been able to track down the definitive source, but I don't care - I believe the sentiment to be true, and by following that precept my life is much richer than it once was.