So it must be defined as illegal in the law to be considered discrimination? If we remove e.g. race or gender from that law, then those types of discrimination are suddenly OK? That seems like a bad argument.
But yes, those laws should explicitly mention age. Unfortunately, here in Germany, that is not the case.
> This is what a lawmaker judged the minimum wage age-based cases to be as well.
If a lawmaker judged that the positive "none" outweighs the negative of "lower minimum wage for younger people" then that lawmaker simply made a bad decision. Just because they are a lawmaker does not mean they can't be criticised.