[dmacedo]

Some countries don't allow dual citizenship, which means you'd no longer be a citizen of your country of origin, you know, where your family might live.

I have plenty of friends who otherwise would apply, and ILR should be sufficient in a democratic government following social and political contracts.

[dwedge]

Is that true for any EU countries?

[roryirvine]

Yes: Austria and Slovakia still do, possibly others as well. And Germany only stopped preventing it within the last year or two.

The UK will help circumvent this for current British citizens when they acquire new citizenship in one of those countries (eg. America famously makes you hand over your old passport, but the UK will happily ship you a replacement in an unmarked envelope), but that doesn't really work so well in the other direction.

[riffraff]

this was true until a few years ago for Italy and France too, getting one nationality would instantly lose you the other. I think this isn't true anymore, but I do have a friend who lived in the country for decades and never picked up the nationality because of this.