S Koreans in the Philippines are a growing economic force. Some Fils see this opportunity to tap their economic and military  power to help them out.  They know the ROKs are antiChinese  as they face N Korean threats who are supported by China  for the last 60 yrs . 

http://globalnation.inquirer.net/37441/japan-sokor-australia-to-help-ph-improve-defense-capability-%E2%80%93-dfa