One of the main concerns people have with Bitcoin is that it's quite difficult to store securely
sure ... copy/paste a wallet.dat in multiple key or card is the most difficult task in the world.
and change format a doc in odf to LibreOffice is the main graal for all geek people...

I think you don't realise how difficult it is for non technical people to do this "simple thing" and be sure to not mess anything.