This is worrying.
The study moreover finds that over 50% of those sites using WebAssembly apply it for malicious deeds, such as cryptocurrency mining and malware code obfuscation.
Article:
Study:
https://www.tu-braunschweig.de/Medien-DB/ias/pubs/2019-dimva.pdf
Summary:
https://www.dimva2019.org/wp-content/uploads/sites/31/2019/06/DIMVA19-slides-2-R.pdf
On news of the mis-use of WebAssembly, people stopped visiting the Interweb from the period of 2019-2028. Historians dubbed this “the New Dark Ages”, a time of dis-enlightenment, fear and a tendency to abstain from diets rich in Vitamin C. Newly-elected President Paris Hilton’s ban of WebAssembly eventually led to a cultural and scientific rebirth from the earlier times.