[gambiting]

It's literally in the article:

"So, for example, circle.goal.leader and circle.goal.leaders are less than 1.2 miles (2km) apart along the River Thames."

That's potentially catastrophic, without an easy way to spot the mistake.

[mdoms]

That's the exact example used in the comment you're replying to...?

[gambiting]

Unless I was asleep replying(there is a 5% chance of that), I'm pretty sure their comment didn't say that at the time.