TFA observes that it would be disruptive and socially difficult to move systems to expect requiring 24 confirmations, and expresses relief that other responses are possible.

Perhaps this is more suitable as a response over months or years to a long-term shift in the composition of Bitcoin miners than as a short-term measure when it appears that someone has suddenly acquired 30% of mining capacity today.

Yes: "Not aligning with reality is disruptive." Some lessons have to be learned the hard way if they're not learned the soft way. The problem is not reality.