To an extent.  Maybe not as much a pissing match as a little competition to keep them moving forward.  In their efforts to retain and gain users, the users will (or should) get the good end of the competitive arms race.  As long as it is not at the cost of adding feature upon feature and cost upon cost while ignoring whatever problems exist.

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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