I believe that some of the softwares you mentioned would perhaps evolve differently if they had the choice. C++ was all the rage 20 years ago, and OO was good. These days the view of OO is much more moderated. The reasons are not that hard to demonstrate: consider for instance The delightful conciseness of Julia. With Julia we can accomplish anything we could produce with C++, and with more legible and grokkable code.
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