...and lose ten times more data when they fail? I found it a bit ironic that the stock photo of a HDD appears to be a Seagate 7200.12, which was one of the more infamous ones with dismal reliability.
(Most people reading the article probably wouldn't notice, but as someone who had to deal with a ton of bad ones, the tiny actuator magnet and only 3 screws securing the platters are a distinctive feature.)