At the Remembrance Day in November, MPs provide their own Wreath and write their own personal tributes. ( You may remember Boris Johnson claimed the cost of his wreath from Expenses ). Miliband and Clegg have laid a Wreath with personal messages since they became their Party's leaders.
On this occassion, the wreaths were to be provided for the dignitries who had been shipped into Glasgow for the ceremony. It was arranged by the Government, and the first that most dignitaries saw of the wreaths was when they were handed them to place on the memorial. Except the Government Department responsible had beforehand distributed cards to the Royals and Prime Minister to write personal messages. No such courtesy was offered to the other Commonwealth leaders or UK party leaders.
At best a cock up by Sajid Javid's Department of Culture, Media and Sport.