The question you're asking your grandma isn't the issue they're concerned about. The quesiton they're asking themselves is if I go against my party, how is thi

The question you're asking your grandma isn't the issue they're concerned about. The quesiton they're asking themselves is if I go against my party, how is this going to affect my re-election. That's why we have party line votes like this. They don't give two shits about the people they're representing, they only care about maintaining office.