Well it is better later than never. As Nick Kralevich said in “It’s not “rooting”, it’s openness” about an year ago ” We can only hope that carriers and manufacturers will recognize this, and not force users to choose between device openness and security. … Users should demand no less.” HTC finally realized this and users (including me) are happy.
However if somebody does something wrong using this openness do not blame Android or HTC but remember what you agreed before using the unlocker:
“Custom OS’s are not tested as thoroughly as your original OS, and unlocking your device may void all or parts of your warranty. HTC disclaims any and all liability for proper functioning of your device after the bootloader has been unlocked and for data lost in the unlocking process. To prevent unauthorized access to your data, unlocking the bootloader will delete all personal data from your device including applications, text messages and personalized settings.”
and always bear in mind that free choice hides many traps for the unprepared …