Yes, quacks really are advocating the use of rectal ozone to treat COVID-19, thus demonstrating that nothing is too ridiculous for them.
![Rectal ozone](https://i0.wp.com/www.respectfulinsolence.com/wp-content/uploads/2020/10/RectalOzone.jpg?fit=1200%2C675&ssl=1)
Yes, quacks really are advocating the use of rectal ozone to treat COVID-19, thus demonstrating that nothing is too ridiculous for them.