oh...i don't think that member is 唔講道理. he/she never claims he/she holds the truth. And he/she is entitled to his/her opinion.
but i agree there might be misuse of the word 洗版。and 舶來品 doesn't sound very respectful...
just take the constructive comments, consider opening a blog on bk or making a fan page on fb? ignore those heavy words. anger doesn't get you anywhere.