I think salt requirements vary person to person depending on your current health. Certainly salt is essential and not to be demonised. There have been proven studies which show that people with hypertension (high blood pressure) certainly benefit from lower salt intake (under 3g per day) which can aide lowering BP readings in combination with exercise/dietary changes.
At the same time, people following a ketogenic/low carb diet would likely need to supplement with salt or at least increase their intake due to loss of electrolytes and to prevent an imbalance.
Athletes and those with normal BMI/bodyfat/BP readings I don’t think particularly need to watch their intake of salt, and would likely need more rather than less.
Overall, it’s definitely not the biggest dietary concern out there.