Cinema botox

I know, (just can't remember them right now), a few remakes that are better than the original ones... Yet I can't understand the process, specially when the movie was a success.

The best remakes are often said to be the Fly or the Thing, which are both excellent, but I have no idea what the originals are. lol

Here is a list ... where you discover many good movies are actually remakes of unknown ones!

Today I read there were TWO remakes to come for this perfect one:

They will be failures, no doubt.

How can you make better something that you don't want better?
Something you already judge perfect?