Yup-Your right Hands it does say that --which makes it confusing as Thai Law online ....says the same, then goes on to tell you how you can use it in Banks-Hospitals-Hotels , etc
Doesn't mention airports , & even though that has been what I have been using--I guess with the new rules its a moot point now.
https://thailawonline.com/thai-pink-id-for-foreigners/