These are sometimes called or "demographic straddling usernames" . They emerge from:
: A user by this name has contributed travel reviews, notably regarding transportation in Brno. Shopping Portals (e.g., Zakupki-de, Oskelly) -Olya18 28-30-
If you are looking for a "deep review" of a specific product with this label, it may be a private listing on a marketplace or a specific -Olya18 28-30-