Can of Coke has 39 grams of sugar. Diet cokes has 0.2 grams of aspartame.
You listed two isolated facts. You forgot to make a point.
This was downvoted but Is correct, relative amounts mean nothing.
Using artificial sweeteners for coffee is completely unnecessary, unless you're drinking a lot.
The amount of calories in two teaspoons of sugar is minuscule.
Two teaspoons is already one sixth of the WHO recommended daily sugar intake, and that was just the coffee. And WHO claims there are additional health benefits expected if you can do half of what they recommend.