NO
When I came into industry it was possible to read all R&D reports/papers in electronics/telecom. It was also possible for one man to understand an network from one end to another.
None of this is now true. We have 'experts' in narrower and narrower fields of everything - liked 'doped optical fibre' for example.
BUT at the same time the world is getting more complex, more non-linear, and more chaotic and we need people with a good overview and problem solving skills. PhDs in narrower slivers really don't help a lot unless they are in their particular niche - but that does not last long !
Knowing everything about nothing is the limiting case for the trajectory we have set ourselves - and it won't work in the short, let alone the long term!
Not only is it getting harder - it is accelerating - and our only help is a symbiotic relationship with our machines that do have the ability to span all the knowledge in every field.
The point is that education and training are not learning and neither are the professions - we have to change fast.
If you were engaged in any new and challenging field you would feel the full force of all this - believe me!