Wordpress would have benefited from this.
What a lot of webmasters want is, test the site locally, then merge it back. A lot of people turned to Jekyll or Hugo for the very reason that it can be checked into git, and git is reliable. A static website can’t get hacked, whereas anyone who has been burnt with Wordpress security fail knows they’d prefer a static site.
And even more: People would like to pass the new website from the designer to the customer to managers — Wordpress might have not needed to develop their approval workflows (permission schemes, draft/preview/publish) if they had had a forkable database.
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