I just do not understand this water salute culture that seems to happen every other day somewhere, for the most banal reasons.
The arrival from ATL was nothing new or exceptional, nor the Airline involved.
A waste of water,(or in this case- foam) time & resource and now a costly mistake at huge expense, embarrassment and inconvenience to all inviolved.
Instead, settle for a
PR "selfie" by the cabin door - if you must.
Inaugural Manchester to Atlanta flight grounded when firefighters spray aircraft with FOAM instead of water - Manchester Evening News
Make what you will of the MEN accuracy of reporting too.,