They want an end to American Colonial rule.
"About 44,900 individuals and 15,650 households (are) receiving food stamps and public health care benefits" from the United States welfare system. Not to mention the "federal grants and taxes on US service personnel in Guam" that also have a lot to do with meeting the island’s budget and infrastructure needs.
That's not freedom. It's time we let them vote on their independence and if they choose, go their own way.
IMHO