Why isn't the probability of being void in 3 specifi c suits $\frac{1/13}{\dbinom{52}{13}}$?

Kindly see the sentence UNDER the red line below. Why isn't the probability being void in 3 specific suits $\frac{1/13}{\dbinom{52}{13}}$? As "the probability of being void in 3 specific suits" means you don't want cards of 3 suits, you desire cards of solely ONE suit. If you remove all cards of any 3 suits, then just 13 cards (of the same suit) remain. Thus the probability that you pick a card of solely one suit is $1/13$.

Blitzstein, Introduction to Probability (2019 2 ed), p 40, Exercise 50. Selected Solutions PDF, p 7.

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Why isn't the probability of being void in 3 specific suits $\frac{1/13}{\dbinom{52}{13}}$?

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