First iterations are always more exciting. Just like with the first iOS/Android devices or first laptops. Don't care about 5G myself as well :)
That being said 5G gives you WIFI-like latency, so it's a godsend for everybody that needs "fiber-quality" Internet but does not have a good ISP nearby.
Or play competitive games when traveling.
Or like to video-chat without this weird latency-lag that makes soft, polite joining into coversation almost impossible