Did you actually read these papers?
First paper doesn't mention the IBM group or Innsbruck. Instead it refutes a much earlier paper by Aspect, et. al.


The last line of the second paper reads "Therefore one cannot exclude that the future technology will allow quantum computers to be useful for certain tasks."

The paper says it's likely that quantum computers will have the same drawback of other analog computers - scaling errors. Analog computers are useful and were successful at one time - they're very useful in biological systems. This is a FAR cry from calling it a hoax.