How to set Scenarios to False

Anyone could say if I am doing something wrong?
scenarios keep working even when set them to false

local events = {
    "WORLD_HUMAN_COP_IDLES",
    "WORLD_VEHICLE_POLICE_BIKE",
    "WORLD_VEHICLE_POLICE_CAR",
    "WORLD_VEHICLE_POLICE_NEXT_TO_CAR",
    "WORLD_VEHICLE_FIRE_TRUCK",
    "WORLD_VEHICLE_AMBULANCE"
}

Citizen.CreateThread(function()
    while true do
        Citizen.Wait(0)
        for k,v in ipairs(events) do
            SetScenarioTypeEnabled(v, false)
        end
    end
end)

Moved to #development:scripts

Thank you, and sorry.