Since when is the size of a viewership taken into account when information is made public that violates the law? in the case of libel or in the case of violating court-imposed restrictions on speech, the mere fact of it being public is all that matters.
Plus Trump knows that certain cultists plus Newsmax and other nonsense sites will effectively re-post his postings for him, as they always do. That's why it's no argument in his favor that his *thing* is so small.