“A lot of people in our industry haven’t had very diverse experiences. So they don’t have enough dots to connect, and they end up with very linear solutions without a broad perspective on the problem. The broader one’s understanding of the human experience, the better design we will have.”—
Whether I like pink or not, sugar in my coffee, red or white wine, these things are a matter of personal taste. These are personal preferences, and both designers and non-designers have them. This is the taste we shouldn’t bother discussing.
Whether I set a text’s line height to 100% or 150% is not a matter of taste, it is a matter of knowing the principles of typography.
However, whether I set a text’s line height at 150% or 145% is a matter of Fingerspitzengefühl; wisdom in craft, or sophistication.