Appeal for Entry Unsuccessful

Hello, I am posting because I would like to ask for anyone’s opinion or advice on my case. It is actually for my brother Matt.

I am originally from the Philippines but I am married to Singaporean and I have a Singaporean son. Last year 2023 I invited my entire family, mom, dad, brother to come here to celebrate my son's first bday. My older brother is here too studying in Singapore. That was May 2023. July I asked them come back to celebrate my brother Matt bday and my dad. June 30 and July 1. They live in Malaysia only as my dad works there for more than 10 years. however still holding Philippine passport. I extended my brother's Matt visa online as I needed help to take care of my son and to celebrate my bday in August too. Me and my husband working full time so I needed help. It was approved and he went back to Malaysia.

Oct 2023 I invited my brother Matt again to come here for Halloween Horror Nights and upon leaving Nov 2023 he was asked to send an appeal to ICA before visiting Sg again. This coming June is my son's 2nd bday and I want my whole family here again however after applying for appeal, it was unsuccessful. My brother did not overstay or work illegally at all. We were really doing tourist things and enjoying Singapore as we were away for so long due to covid.

Just want to know if anyone got similar experience and eventually got approved. We don't know if he is banned or if he is how long is the ban as the officer just said he came to Singapore many times.

I dont know what to do or what to say to ICA to have it eventually approved because they said if anything has changed send an appeal again for their consideration. But we are not sure what needs to be changed as we dont know they do not allow visitation of family members often in Singapore. Do I need to say my family will be visiting much lesser this year? Any suggestions would be greatly appreciated! Thank you