What is disadvantage of UUID-based URL?

I'm developing a Q&A site.

I'm using uuid for the id of questions, and will use that for the url as well.

Question data

{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "title": "This is a question",
  "content": "How are you?"
}

URL

https://example.com/questions/550e8400-e29b-41d4-a716-446655440000

However, I have never seen a website that includes the UUID in the URL. For example, a url of a question in stackoverflow is something like https://stackoverflow.com/questions/12345678/this-is-a-question.

Is it a bad practice?