But Hollywood have always done this - recycling old ideas in new wrapping. And Hollywood have always been criticized for being vapid entertainment, empty spectacle etc.
"catching on to the fact" suggest that this is some secret insight which undermines the enjoyment of the movie. But I'm pretty sure most people who goes to the Disney remakes go because it is remakes of movies they already know and love. They want to see the same thing in a new way.
According to Wikipedia, Aladdin grossed "$923.7 million, against a production budget of $183 million". So despite you and your nephew, Disney seem to manage OK.
Hollywood does have problem, but it is not due to lack of originality. Hollywood produces plenty of original stories still, but it is the remakes and franchises which grosses the most. Because the consumers likes this stuff.