They never denied saying that they told us not to mask up.
You don't want people linking to obsolete information under the surgeon general's twitter. There is no way to flag a tweet as "for history only ignore the actual advice as what to follow." Meanwhile, the old "don't mask" mandates are in the CDC's website in their archives, which are purposefully hard to find (for similar reasons, to ensure you know you are going to historical and not current publications).
You don't want people linking to obsolete information under the surgeon general's twitter. There is no way to flag a tweet as "for history only ignore the actual advice as what to follow." Meanwhile, the old "don't mask" mandates are in the CDC's website in their archives, which are purposefully hard to find (for similar reasons, to ensure you know you are going to historical and not current publications).