Well it's very comforting nowadays.
You always get the wiff of things before hand that a thing may or may not happen. Announcing it on twitter on the chance that it might happen, would certainly give the the person to claim he ' told you so '.
We need new fighter jets and so dear pdfers made several predictions in 2019. how many times we are told that we are getting f16s in 2019. If we got those f16s then those fanboys would become right on the chance they guessed it right.
They would be totally in their right to claim their know it already to they dreamed it or have divine message telling them we are getting f16s.