There is no question about it, internet scammers are morons.
On a frequent enough basis to be noticed, I get an email from some scammer trying to get me to click a link, send them money, or send them bitcoin—or anything else that they want me to do. And 9 times out of 10, they are badly worded, trying to sound official, but really have no clue about how English grammar actually works.
And they expect "me" to fall for the scam?
I will grant you that I'm not your typical internet user. I know better. And I know the tricks of the game that your average internet user doesn't know.
But seriously, dudes, you could at least learn how to use MS Word's grammar checker. I know it's not the best, but at least it would deal with the lack of capitalizations in your emails.
While I can spot the scammer a mile away, there will be many unsuspecting people out there who will be gullible enough to fall for the scam. It may be only one in 10,000 people, but it's statistically significant enough for the scammers to keep doing it.
And a scammer's favorite playground is email. Far too many people get emails and blindly click on the links without understanding what they're clicking on.
Of course, the first question that people ask is how did the scammer get your email in the first place. Well, let me tell you exactly how they got it.