I know I can’t stop people from betting on lottery, and I won’t belabor you with how small the odds of winning are (like you’re more likely to get struck by lightning than win the lotto). But still hardworking Pinoys decide to part some of their hard-earned money with the hope that Lady Luck or Divine Intervention will smile on them someday. Work hard, pray harder.
As to why Pinoys do this, here’s my old article about it (mindset that it is simple and easier to understand than “investments” which are “only for the rich”, smaller amounts needed, bigger gains, doesn't care about the very small odds). Or maybe just a force of habit.