If you are doing one thing, and ONLY one thing at a time, then yes it makes no sense. Do you do only 1 thing at a time? Are you hovering over the press waiting impatiently for the timer to expire so you can open it and not burn your product?
Most of us are doing other things while waiting for the press to operate and when the timer goes off, dash back to the press to open it. The auto-open saves you from that mad dash, it saves you from ruining products. In the long run, it saves you time by allowing you to do other things instead of standing over the press waiting. For DTG for example, when you have press times that are in minutes instead of seconds, it really becomes obvious...
Most of us are doing other things while waiting for the press to operate and when the timer goes off, dash back to the press to open it. The auto-open saves you from that mad dash, it saves you from ruining products. In the long run, it saves you time by allowing you to do other things instead of standing over the press waiting. For DTG for example, when you have press times that are in minutes instead of seconds, it really becomes obvious...