They're not wrong.
[REGNUM] In the case of a request in Yandex
| ...it could be described as the Russian version of Google, or whatever they call themselves these days... |
Thus, Yandex ranked the People's Militia of Donbass as a criminal gang.
At the same time, the nationalist battalions "Azov" (an organization whose activities are banned in the Russian Federation) and "Aidar" (an organization whose activities are banned in the Russian Federation), whose members are "famous" for numerous attacks and atrocities on the territory of Donbass, the search engine does not classify as criminal groups.