Whether short term or not, the bottom line is that there was an influence. Definitely there might be some weak hands that will panic during that short term and sell when they are not supposed to. These influence may affect people differently.
That's why they are called as such
They would do that with or without Trump, or due to any other words said in the same manner - the point is, we don't need to look at Trump that much to proceed forward with hodling.