This is a very particular crowd, largely into web software and ecosystems for rapid growth of SaaS. I wouldn't extrapolate this crowd into software languages in general. You should always use the best tool for the job.
Many people write quite excellent software in C/C++ every day. Just as many people use chainsaws, drive cars, fire guns and take pills every day. These are all productive activities with low floors and high ceilings. Anyone can jump in and make a mess. It takes care and attention to do them well.