No it isn't. Most of the tweets are from Palace fans. Are you actually able to read?
"Replacing Glenn Murray with £3m waste CMS #Zahasfault"
I have seen tweets taking the piss out of Zaha from wait for it,
Brighton, Charlton, Milwall, Stoke, Leicester, Cardiff, Brentford, Bury, Preston, Sheffield Wednesday, Burnley, Blackpool, Watford, Nottingham Forest, Colchester, and dozens of fans from other clubs.