Security is a trade-off. Usually with convenience.
I would appreciate it if Microsoft didn't decide to not inconvenience me when I have clearly elected to be inconvenienced. Please assume that I know what I am doing, and have good reason to do it when I use things like BitLocker, etc.
I mean, just ask for the bloody key on boot time, same as you would in any other case the machine is rebooted. What's wrong with that, Microsoft...? What's wrong with that?