I think the oversight must clearly have been someone holding the blueprints sideways while they were constructing it

In that case, the building might actually be built to a very high quality? I've never seen a building do that. I would think it'd save lives.

Nice this (lengthy) article has a handy (if tiny) graphic of what the problems were:

https://web.archive.org/web/20140303111153im_/http://www.chinadaily.com.cn/bizchina/images/attachement/jpg/site1/20090708/0022190fd2dc0bbe526726.jpg

The family of the migrant worker who died in the collapse, Xiao Dekun, received 775,000 RMB (approximately $113,000 USD) in compensation.[3]

13 were tried over the collapse, 8 others including local regulators and subcontractors had their licenses terminated and were fined 500,000 RMB (approximately $68,000). 9 investors were fired from their local government jobs for conflicts of interest.[4] The 2 top shareholders, Que Jingde and Zhang Zhiqin, were sentenced to life imprisonment after being convicted on charges of graft, embezzlement of corporate funds, and negligence leading to a serious accident.[5] Zhang was also fined 5 million RMB (approximately 687,000 USD) and Que was fined 2 million RMB (approximately 275,000 USD).

https://en.wikipedia.org/wiki/Collapse_of_Lotus_Riverside_Block_7

Found a wiki article about it cause I have to turn off my VPN everytime I accesses the wayback machine.