It's better because you might be looking at the output of that, and then your co-worker tries to do the same, except you're looking at different because you for

It's better because you might be looking at the output of that, and then your co-worker tries to do the same, except you're looking at different because you force-pushed it. And you furthermore have no immutable record of what happened anymore. You can always create one tag that you force-push to point to the "latest tag" to make it convenient for one-liners, but not force-push any of the "real" ones.