Best method of filtering all text properties of everything?

^ Title says it all. Here's my code:

-- Script in "ServerScriptService"
game:service("ReplicatedStorage").FilterText.OnServerInvoke = function(p,grab)
    print('grabbing filter restraints')
    return game.Chat:FilterStringForBroadcast(grab,p)
end
-- Descendants function
wait(5)
function FilterString(str)
    if not pcall(function()
    local filtered = game.Chat:FilterStringForBroadcast(str,game.Players:children()[1]) -- This line is stupid and inefficient, I know. I'm still new to Chat:Filter...
    if filtered ~= nil then
    return filtered
    else
    return "< Filter Failed >"
    end
    end) then
    return "< Filter Failed >"
    end
    return "< Filter Failed >"
end
local sources = {
    "Players",
    "Workspace",
    "Lighting",
    "ReplicatedStorage",
    "ReplicatedFirst",
    "ServerStorage",
    "ServerScriptService",
    "StarterGui",
    "Teams",
    "StarterPack",
    "StarterPlayer",
    "SoundService",
    "Chat",
    "TestService",
    "LogService",
    "TeleportService"
}
for i=1,#sources do
for _,c in pairs(game:service(sources[i]):children()) do
    c.DescendantAdded:connect(function(desc)
        if desc.Name then
            desc.Name = FilterString(desc.Name)
        elseif desc.Value then
            desc.Value = FilterString(desc.Value)
        elseif desc.Text then
            desc.Text = FilterString(desc.Text)
        else
            warn(desc.Name .. " does not need to be filtered")
        end
    end)
end
end

It should filter everything that gets added to the workspace, lighting, replicatedstorage, etc.. But it doesn't seem to do anything. Please help!

EDIT: "ThingsToFilter" script in Workspace:

local thingstofilter = {
    "Value",
    "Name",
    "Text",
    "Parent"
}

return thingstofilter