> People realized that past phishing attempts were quite badly constructed

I seem to recall that the typos and grammar errors were intentional. This gets rid of skeptical people, and you're left with those who are extremely gullible and likely to fall for it.

This current spate of attacks might be _because_ of that, in fact. Enough people know that phishing attacks are obviously low quality, so when they see a well-constructed message they're less suspicious

First time I've heard this but it actually makes an awful lot of sense.