he'd be against it like he pretended to have no intention to create a phone, tablet or indeed X other device, if apple hadn't made one yet he would always contend there was no use for it.
I think there's truth to what you say... he had a knack for supporting what could be made well at the cutting edge of available tech. Head's up display is crap today not so much because of imaging tech into the eye being lacking (that could be built quickly) but rather because we can't compute enough useful stuff about what the eye sees and present it to the user for a compelling experience yet.
All this is changing... self-driving cars etc. but it's going to take time.
All this is changing... self-driving cars etc. but it's going to take time.