In order for that to happen there needs to be a culture shift, where being fired because you aren't a good fit doesn't mark you as unhireable for most other employers.
Well, in the current culture, if you get a reputation for firing people three months after hiring them, you'll have an awfully hard time finding people who want to work for you. And you will probably see your best workers leaving to work elsewhere.
In order for that to happen there needs to be a culture shift, where being fired because you aren't a good fit doesn't mark you as unhireable for most other employers.