Because: (a) The money spent on the OS (b) The bios is not open so cannot do that (c) impossible to gain the confidence of bosses doing this, it has to come fr

Because: (a) The money spent on the OS (b) The bios is not open so cannot do that (c) impossible to gain the confidence of bosses doing this, it has to come from a manufacturer (d) the expense of doing that for each device is not trivial, if done even half way properly. I do not think that is a very good suggestion!