In fact, there is a direct reference in GV article saying that GV holder can apply for citizenship based on the citizenship law. I agree that expectations set for investors were based on that.
ARTICLE 90-A – RESIDENCE PERMIT FOR INVESTMENT PURPOSES
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The beneficiaries of ARI / Golden Visa are entitled to:
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- Applying for Portuguese citizenship, by naturalization, provided all other requirements set out by the Nationality Act are fulfilled (Act number 37/81 of 3 October, as amended);