[Jedi Master Pikachu]

If the UK were not so close to the United States (in recent history), most Americans would find several faults with it. Chiefly, their upper house of Parliament still has people appointed on account of their birth. Furthermore, many Americans would view any monarchy still existing as an oddity; the UK should become a republic, why should people be taxed to heavily support a family?

Then there is the fact that to technically declare war, Canada has to get the order or approval from the (governor general?)....

[CremeSaver]

"most Americans would find several faults with it."

...and hopefully most Americans would have the good manners to mind their own business. :O)

[NeoCaveman]

Furthermore, many Americans would view any monarchy still existing as an oddity; the UK should become a republic, why should people be taxed to heavily support a family?

Heck, the monarchy should (if it doesn't already) be able to generate enough revenue - tourism etc, to make up for any tax costs it incurs.

Also, it's retro, and most conservatives like retro.