I thought the same as well, but I've been to Shanghai Expo and it was actually quite an experience even though every line was at least 2 hours, until VR and hap

I thought the same as well, but I've been to Shanghai Expo and it was actually quite an experience even though every line was at least 2 hours, until VR and haptic feedback can truly build life-changing experiences, going to the Expo is actually quite interesting. I think its more a marketing and branding issue.