Not the entire industry, as many companies have thankfully moved on from plain old C, or at very least reduced its use quite considerably.
BSD/Linux derived FOSS is still the C stronghold.
The Morris worm was in 1988, since then C has collected enough CVEs due to memory corruption issues to consider its use bad practice.
Something that even Apple, Google and Microsoft security reports now advise against, and with Google actively engaging into taming C's usage in Linux kernel.
