OTOH, this automatic cancellation is very useful if one wants to obtain another citizenship.

When I went through a process of relinquishing my previous citizenship, it included:

- 11 documents,

- 10 apostilles,

- many authorized translations,

- several photos (?!),

- notarizing my signature at the consulate,

- receiving two documents via regular mail from my birth country (IIRC this service is now discontinued, and one has to go to obtain these documents in person, and no, power of attorney is not accepted, and yes, the country in question is at war, so any man trying to do so risks being drafted and sent to frontlines immediately),

- several thousand euro in various fees,

- many hours spent preparing documentation,

- ~6 months from the beginning of the process to the end.