I don't follow your logic.

You're saying that there exists some country capable of a nuclear weapons program (an exceedingly difficult thing), that for some reason has not actually built one, and now that they see Iran pummeled for trying to build theirs... is now incentivized to finally go for it??

Turkey, South Korea, Saudi Arabia, Sweden, Finland and even Switzerland* are all assessed as having the capability but having refrained for political reasons.

* the Swiss nuclear weapons programme ran for over four decades during the Cold War