Michelle Obama tried tackling this and fast-food PR destroyed her with claims she was “fat shaming”.
There’s a huuuuuge lobby to fight in order to solve this and it should be tackled. But again, profits will be put before people’s health and lives.
The obesity problem in the US is so bad, the Army is facing issues finding enough recruits fit for service. There’s even a program to get people back into shape just so they can try to get into the Army.
Kind of a compromise for smaller countries that want to have a standing army. And some countries offer alternatives like civil service or paying additional taxes instead for those that don’t want to serve in the military.
The US having expensive higher education driving poorer people to join the military to afford it is bleaker honestly.