Regardless, I'd be wary of letting someone who doesn't even know you be so influential in such a decision. People change their minds all the time. Also, no matter how much information Trump has access to, he's still just one person and could be mistaken about certain things. And even advice that's good for the general population could still be very bad for a particular individual.
That statement is a NY Post article (https://nypost.com/2021/04/13/team-biden-halts-jj-vaccine-and-a-return-to-normal/) and isn't on his website with his other statements (https://www.donaldjtrump.com/news/).
The NY Post actually commented on that statement, too: https://nypost.com/2021/04/16/trump-takes-jab-at-bidens-lunacy-of-jj-vaccination-pause/
Regardless, I'd be wary of letting someone who doesn't even know you be so influential in such a decision. People change their minds all the time. Also, no matter how much information Trump has access to, he's still just one person and could be mistaken about certain things. And even advice that's good for the general population could still be very bad for a particular individual.