It’s a pretty bad assumption. You should pay a lot more attention to Hanlon’s Razor.
I don’t know much at all about Michelle’s actions. Similarly, I don’t know much about Melania’s actions. You say she tried to - so… she didn’t do it? If not, I don’t see how this makes my comment “objectively untrue”?
It is unlikely that if you are old enough to vote that you do not remember that Michelle Obama tried to make a more healthy food criteria, and as such it’s very easy to assume that you are acting in bad faith when you say something about RFK Jr that is objectively not true.