The point is that you have to know you need to use those libraries to have exact computations. Lisk chose javascript to make dapps available to the masses. How

The point is that you have to know you need to use those libraries to have exact computations. Lisk chose javascript to make dapps available to the masses. How many javascript programmers do you think even know what a number on a computer really is? The risks of summing floats? Etc. etc.