How does Google's algorithm differentiate between a genuine customer review and a fake or incentivized review on a Google Business Profile?

Google's algorithm employs various signals to differentiate between genuine customer reviews and fake or incentivized reviews on a Google Business Profile, though the exact methods are not publicly disclosed to prevent manipulation. These signals include: 1) Reviewer history: Google analyzes the reviewer's past review activity. A reviewer with a history of only reviewing businesses related to a single entity or leaving numerous reviews in a short period might be flagged as suspicious. 2) Review conte....