To answer this question, I think the reason is only because it is very convenient. Your question is its own answer. Schools and teachers teach this "fact" for generations, but no one has a substantial impact on modifying it, and people accept it as facts easily.
Most people say that it is useful because I have not studied hard at school (and myself) to ascertain everything I learned. The verification process is very difficult and informative - to see which symbols are actually considered official symbols of the Philippines, you need to refer to existing legislation or announcement.
Anyway, a lazy search will lead people to this site. As for everyone's information, No, Dr. Jose Rizal is not our national hero. No, there is no official national hero. In order to get the official national hero, one of our legislators will have to propose a bill, it must be a legal / official announcement
Personally, I did this at college, yes, until I was taught, I believe that Dr. Rizal is truly our official national hero. I found this to be wrong
For beginners, Jose Protasio Rizal Mercado and Alonso Realonda, more widely known as Jose Rizal, are not officially recognized as Philippine national heroes. (NCCA, 2015) Rizal may have built monuments, peso coins on his face for his honor, but his death day is celebrated as a national holiday, RA 1425 is " Also known as "Rizal Law" the school teaches his life, work and work, and the Philippine government itself does not explicitly proclaim that he is the hero of the country.
August 25 is the national hero anniversary of the Philippines, a national holiday celebrating those who sacrificed the freedom of the Philippines. Among the most famous heroes are Jose Rizal (a nationalist and supporter of the Philippine Reformist advocate during the Spanish colonial period) and Andres Bonifacio (Revolutionary). Others who were recommended to be recognized as state heroes by the National Heroes Committee include Senator Benigno Aquino (though there is a record of violence getting power), Emilio Aginaldo, Gabriella Silan and Apolinario Mabini etc.
Some people think that the legislative national hero José Rizal is occupied by the US military in the Philippines. In 1901, the US Governor William Taft said that the name of Rizal was hosted by the Philippine Committee and the United States is a national hero of the Philippines. If José Rizal copied the Philippines, which is an informative, non-violent, ideal candidate for US occupation since advantageous quality death, threatens the control of the United States, changes the occupation state of the Philippine islands I will not. Rizal was not advocating the independence of the Philippines. After that, the United States, "Commemorative Decree No. 346," Memorial Day "organized by Rizal's death anniversary