Yes, you should get used to it. Or you can just choose to stop giving your decentralized cash away to strangers.
If you're so aware of the safety of information on you computer, why does it seem to be impossible to manage your own Bitcoin? Storing Bitcoin with third parties, is not something I recommend anybody with a 'heavily firewalled with encrypted FS linux'.
To get back to the car analogy. Showing of you know what side of the road you are supposed to drive on doesn't make you a good driver. And if you're such a good driver: Drive the thing yourself and don't use e-wallets.