Taste is the set of things a designer is willing to fight to keep out. The portfolio is the residue. The deck is the case for why something stayed. The refusal log is the case for why a hundred other things did not.
Most portfolio reviews grade the wrong artifact. The reviewer reads the shipped screen and asks how it got there. The interesting question is the screen that nearly shipped and did not. The dialog where the designer said the toast was too clever. The button copy that was technically more accurate but landed colder than the imperfect version that read like a person. The hero animation that demoed well in the studio and started making people feel queasy on a phone. Each one was a refusal. None of them were in the deck.
A designer with no taste accepts what the system delivers. A designer with taste delivers a smaller, harder-won set. The difference shows up in volume, not in style. You can recognize a portfolio with taste because it contains fewer screens than the brief asked for, and each screen carries the weight of three or four that were cut in review.
The pattern in hiring is straightforward. Ask the candidate what they refused on their last project, and why. Most people will pause. The ones with taste have an inventory. They will tell you about the chart they took out, the empty state they argued for two weeks to keep simple, the consent screen they refused to chunk because the legal page worked better as one honest scroll than as a friendly fiction in four steps.
Counter-view: taste is also the willingness to ship something imperfect when the alternative is shipping nothing. Refusal becomes a vanity if it never resolves into a decision. The portfolio of refusals must end in artifacts. The discipline is which artifacts you let through, not how many.
Takeaway: stop scoring portfolios by what got in. Start asking what got cut, and why.