HV is in a downward spiral from which likely can not recover. They made ambitious attempts to enter complex software spaces like industrial IoT without leadership that grasped basic software engineering principles. This knowledge is largely lacking at all levels in HV and old co HCC. Only a few resources (that mostly came in through acquisitions of profitable software companies ) possess this knowledge and they are not in positions of power, have been marginalised or are currently looking for opportunities outside of Hitachi. This lack of knowledge has made HV open to the technical and leadership fraudsters already discussed in this thread. They, in turn, hire their friends and the downward spiral continues.
Aside from resource and morale issues, HV has alienated the few early adopters of their flag-ship Lumada "products" by deceptively and grossly over-selling demoware, vaporware, and slideware as functioning products rather than ethically positioning the products as co-development projects. In the few cases where there has been very limited success, Marketing has greatly over-exaggerated the efforts.
Caveat emptor...not to mention potential employees.