Sounds more like you want a setting of "syncing is not important to me" Doze backs off sync period, trading timeliness for battery life. That's why significant

Sounds more like you want a setting of "syncing is not important to me" Doze backs off sync period, trading timeliness for battery life. That's why significant motion prevents it from happening, it assumes that if it's on your person then syncing is important. Which is a generally true assumption.