Yes, but many who saw the original story will probably forget about it in time. Moreover, the retraction did spread in a way that it wouldn't have if this controversy never got public discussion. People who saw the retraction will now be available to refute the assertion if it comes up again.
Falsehoods will spread, that's inevitable. But that's not the real misinformation problem. Falsehoods also get pushback, often strong pushback. Falsehoods can get corrected, eventually.
As a society, we have a real problem when people deliberately push falsehoods that they know to be false. This is not such a case, however.
