If landlords and letting agents and real-estate agents do this, should not tenants do it too? Could we have a service where a tenant gets a "creepiness report"

If landlords and letting agents and real-estate agents do this, should not tenants do it too? Could we have a service where a tenant gets a "creepiness report" on a potential landlord/agent? Actually, probably better not. Escalating mutual destruction scenarios are not a useful long-term strategy.