Why I Link to WayBackMachine Instead of Original Site

When linking to a page for the purpose of reference, it seems better to me to link to the archive of a given page, rather than to the original site itself.

This ensures that after some years have gone by, my article is guaranteed to be consistent. Due the changing nature of the web, there is a chance that after some years, the link could lead to a:

404 / Not Found (most common) Changed or edited content, or entirely replaced content Content that, due to a rise in popularity, is now shielded, demanding the user to make an account to read the entire article.