That’s the world we live in, and the only reason we’re seeing this story is because she was/is a teacher. The number of people affected by others’ vindictive smearing for similar but in less “shocking” circumstances would lend itself to a public outcry that could very well undermine the whole “moral” control this stems from.
If you don’t realize you’re living in a seriously fucked dystopia already, you’re likely a white cis-het male in the middle class, all due respect. Take a look around, and breathe it in.