Same here. I thought it was weird for a US toku forum(at that time I thought that UltramanLah was a US-based forum) to have the "lah". It was only recently that I realized that it was actually a Singapore forum.
Speak Gd English Campaign, Speak Mandarin Campaign, Be Courteous Campaign, Road Safety the list goes on. But very few people actually take heed of them, myself included.