One important benefit will be, that it discards the key when locking the screen (when integrated in the DE). So the drive is protected when you are not at your machine. The old mechanism only discards the key when restarting the computer. But who shuts his/hers laptop down…
May s.b. will steal your laptop, when you are at lunch 😀
In general I’m with, but the standby current is really low, especially when writing the memory to disk…