The answer appears to be YES. People are very stupid. They click on anything that is sent to them.
The current world-wide attack is motivated by the inherent GREED of world wide capitalism. The capitalist criminals demand that you pay up to 300-600 Dollars to recover your infected computer.
Respond to them: GO FUCK YOURSELVES!
NYT: Cyberattack’s Impact Could Worsen as Computers Are Turned On Monday