He COULD speak infallibly, IF he were to issue a declaration that fit the criteria for an infallible pronouncement.
Nothing he says in a homily, press conference, or the like, has ANY connection with the type of statement that would be infallible.
Not according to Jesus . . .
“For a good tree bringeth not forth corrupt fruit; neither doth a corrupt tree bring forth good fruit” (Luke 6:43).
Any person professing himself to be a Catholic that would obey anything this child of Satan proclaims as truth are indeed gullible.