It’s a mix of live-action and CGI, which is maybe what they would have done with the first Lady and the Tramp if they had the tech for it. Only maybe: I’m not sure when Disney was really capable of suchlike things. But I can sort of see an artistic reason for wanting to remake this one.
I mean, sure: they want to make another mint off of this movie. That’s the prime reason for the remake. But the rationalization isn’t so bad, this time.