Even with those conveniences IMO that only dulls the tedium of the flight and no matter how comfy the travel is I'm still losing about a whole day at least of just flying across the Atlantic going from the US to Europe and back for a vacation which is pretty valuable with US leave allowances. At the very least there's the market for business travel where workers don't lose whole days to travel.
In the age of ubiquitous video conferencing, does it really make sense for business travel?