[porpoisemonkey]

Not at all. Google's caches are pretty commonly used to view pages with high levels of traffic.

[etfb]

https://google.com/search?q=define:irony

[porpoisemonkey]

I'm not sure why you posted this link. The comment I was responding to does not meet any of the definitions you posted.

As others have pointed out using Google cache to view a high traffic anti-Google article would be coincidental and not ironic.