At least with the C standard, it's theoretically possible to learn it. I'd challenge you to find one person in your company who fully understands the C++ standard.
Of course I do. I call it "customers".
The C standard is very generous in terms of undefined behavior freedom.
If you're using some other definition, then say so, otherwise your comments make no sense.
They are free to do that and still be compliant, after all UB means anything goes.