This is not entirely true, for example you can lose your German citizenship if you have another citizenship and fight for a terrorist organisation (source: https://rsw-beck-de.translate.goog/aktuell/daily/meldung/det...).

Then there is US citizenship, which is actually tied to your income, if I am not mistaken.

A citizenship for me would only bring the following advantages

- be able to live in a country without the hassle of renewing visas

- Having a second citizenship if the (political) situation in my home country goes sideways

I am not interested in voting because I do not believe that I can make a difference. I have done so for decades and things have only got worse in my country, so I have lost hope in the political process.