(NB: component is probably wrong)
The plugin parent pom overloads a skipTests flag which is used by surefire to skip running tests, to also skip findbugs.
This is bad karma - a plugin specific flag should not be abused to change behaviour of other plugins - especially when they have their own flag (findbugs.skip)
This behaviour should be reverted and if someone wants a quick way to build and install something bypasssing lots of things then they should use this new profile that sets appropriate per mojo configuration in a different profile (could be activated by a property.) e.g. mvn -DquickBuild or mvn -P quickBuild.