So what's up with all the manifestations, and why are they so much more likely to happen to Catholics? Protestants of most persuasions tend to frown on visual images, due to a somewhat exaggerated fear of accidental idolatry. This is probably causing them to miss out on visits from Jesus, who stays away so as not to offend them. He's supposed to be a pretty nice guy, after all, so if the Catholics want a personal visit and the Baptists don't, I'm sure he tries to accommodate them both.
Come to think of it, if any person was so unaccustomed to the sight of a bearded man that he would just immediately assume that person to be Jesus, I think Jesus would probably be willing to work with that too. If he can appear in a potato chip or as a disembodied glowing blue head (see picture above), I have no doubt he could change into Abraham Lincoln if he wanted to.