Is IKEA's 3.9 Yuan Funnel Good for Use as a Coffee Filter Cup? Why Has IKEA's Funnel Suddenly Gone Viral?

Recently, many people have likely seen posts online about: IKEA's funnel being used as a coffee filter cup! The origin of this story traces back to the 2025 WBrC competition, where Indonesian contestant Amadeo Yurcel replaced his filter cup with this funnel for pour-over coffee brewing.