having read all,,, It is conclusion that a Gap or running 2 parallel systems is actually not worthy for the Employer. there are number of factors which come into play.
secondly, for the market it will inflate with a drastic imbalance,,, imagine three engineers (of three already mentioned origins) on a same project, of the same protocol, doing same job, almost of equal profile & for lunch Two of them go to have a lunch served by the Ravish Quarks,, and other one thankful with a dry cucumber....