Normative Signs: The Poetry of "Ought"

Is it just me, or are 2 of the words in this sign redundant?

Once you’ve said that something is “reserved,” that pretty much means “strictly” (is there such a thing as “sort of” reserved?). And the same goes for “only”. The word “reserved” means “only these people can use this.”

The picture was taken outside a grocery store in Toronto.

At a construction site in Niagara Falls, Ontario.