Sahih al-Bukhari is considered one of the most authentic books after the Quran. No reason to doubt that the narration according to Islam tradition is not sahih or misleading.

Let's read what the hadith has to say, which clearly does not support your argument,
Narrated Anas: The climate of Medina did not suit some people, so the Prophet (ﷺ) ordered them to follow his shepherd, i.e. his camels, and drink their milk and urine (as a medicine).

https://sunnah.com/bukhari:5686

You can also read widely differing opinions of Islamic scholars on this matter,
https://muftiwp.gov.my/en/artikel/irsyad-fa...-with-its-urine

So what does this simple example tells you?

I never know this is a thing