Here is PDF report in original:
https://prevasio.com/static/web/viewer.html?file=/static/Red...
Because people with low-level technical knowledge thinks that once everything is on Docker they're immune to lot of vulnerabilities.
So they run images without hesitation.
Presumably images from reputable vendors like alpine:latest and openjdk:jre-alpine are OK?
Looks like the vast majority are images that are intended to mine coins, but there are a few "normal-looking" ones in the top as well