It depends on what you consider an insult. To some Filipinos it is an insult when you tell them the truth. If you attempt to defend yourself they will also say it is an insult. they can keep doing all types of cheating, scamming, and all sorts of unscrupulous acts and they can insult you all they want but if you reply or try to defend yourself they give replies like "go home" or "if you don't appreciate Filipinos just go back to your own country" etc, the way they perceive foreigners itself constitutes an offense. Have you noticed the absence of tourists in Manila (for example) compared to other Asian destinations let's say Thailand? The truth is the Philippines have one the worse reputations all Asian countries.
LET ME CLARIFY: I HAVE ABSOLUTELY NOTHING AGAINST THE PHILIPPINES OR THE FILIPINOS. I THINK ITS A BEAUTIFUL COUNTRY. IN FACT I LIVE THERE. I MUST CONFESS I AM NOT HAPPY BECAUSE BEING A FOREIGNER IN THE PHILIPPINES IS NOT GOOD AT ALL. IT HAS SOME ADVANTAGES THOUGH BUT WHEN IT COMES TO LIVE YOUR LIFE AS A NORMAL PERSON IT IS ALMOST IMPOSSIBLE. ANYWAY THERE IS NO PERFECT COUNTRY AND ALL YOU HAVE TO DO IS ADJUST A LITTLE BIT AND TEACH SOME PEOPLE THAT THEY ARE JUST WRONG.
AT THE END OF THE DAY I HAVE LEARNED TO LOVE AND APPRECIATE THE PHILIPPINES AND ITS PEOPLE EVEN IF I CRITICIZE SOME THINGS THAT I DON'T LIKE OR DON'T UNDERSTAND.