Maybe it should be the companies job, being jobless in the US is a potential death sentence and since we don't have universal healthcare, universal childcare, or universal higher education/vocational training the onus should be forced on the companies to provide welfare for workers since they are so adamant about not paying taxes to create a welfare system that doesn't mean homelessness or death.
There is also no industry standard for severance, it's not federally mandated and not a guaranteed benefit.