It's still a drop in the ocean, heard of that KISS-CAM CEO that got busted for cheating? His company literally seems to be built on selling hosted Apache Airflow services and just took in a series D round of 93 MUSD.

Apache HTTPD still seems to run about 17% of all sites, plenty of those probably make money using the software. https://www.netcraft.com/blog/january-2025-web-server-survey

Open source is open, so naturally people can use it but the ecosystem has also been at a breaking point for years and bad actors has caught the scent of that.