The first one would have deleted nothing as it needs to match the whole name. I recommend running find with an explicit -print before replacing it in place with -delete or -exec. It’s good to remember that find has a complex order dependent language with -or and -and, but not maybe the best idea to try to use those features.
Shellshock happened in 2014 https://en.m.wikipedia.org/wiki/Shellshock_(software_bug)
leap second corrected or not?