>there are tax issues but they are pretty minor
You're kidding. Have you actually experienced them? The tax issues are mindboggling in their complexity because the US law is written for US institutions and concepts. Trying to work out how arrangements in any of 160 other countries with their own laws and institutions translate into American concepts is a minefield. Something that is simple in your country of residence becomes impossible in another. Accountants who are familar with both local and US tax law don't come cheap so many people spend thousands of dollars a year trying to get it right; all to pay zero tax because there is rarely any tax to be paid. But if you get it wrong the penalties are punitive, all because the US views citizens who have the temerity to live overseas as unpatriotic tax dodgers.
And the benefits? What exactly would those US consulate services be that are so valuable? I can't think of any.