I think you're getting at the heart of the sentiment behind the original quote better than the blog post.
The blog seems to be treating it as aspirational -- a goal. A puzzle to be understood and applied to make our lives richer. It's more of a perspective shift.
When you really get it, you won't think you're supposed to like bad sandwiches -- you'll realize what a gift any sandwich is. What a gift it is to sit in any crummy airport eating a soggy sandwich. You won't have to try to like it, you'll cry with gratitude at how lucky you are to even be there.
The blog seems to be treating it as aspirational -- a goal. A puzzle to be understood and applied to make our lives richer. It's more of a perspective shift.
When you really get it, you won't think you're supposed to like bad sandwiches -- you'll realize what a gift any sandwich is. What a gift it is to sit in any crummy airport eating a soggy sandwich. You won't have to try to like it, you'll cry with gratitude at how lucky you are to even be there.