I don't understand how Malays regularly eat nasi lemak for breakfast (rice topped with prawn sambal and pickled cucumber wrapped in a banana leaf) without getti

I don't understand how Malays regularly eat nasi lemak for breakfast (rice topped with prawn sambal and pickled cucumber wrapped in a banana leaf) without getting sick frequently. Vendors would have them pre-prepared and stacked in a pyramid on a table in the street which just ticks off every box of what not to do.