Earlier quoted context omitted.
> well, the answer is simply ¯\_(ツ)_/¯ That's not a great answer to a very realistic case.
I think the many sentences that come before the shrug emoji illustrate that the case is not very realistic. You're taking the final, sarcastic closing comment out of context.
- brilliant exploit by a hacker who was both skilled enough to outsmart many, many world-class developers all working together.
- malicious enough to forgo the generous bounty awarded for disclosing the exploit to the Common Colony security domain.
- detestable enough to willingly crash an enormously successful DAO
If you think one or all of these attack vectors are not something to be concerned about (or worse, be sarcastically dismissive about) you have no business writing smart contracts or anything security related.