@Daniel_Weikert if you are familiar with Python and environments and use YAML files and the Conda Environment Propagation you might not benefit that much from the bundled version. The main benefit is that a user would be able to use such Components (like the one mentioned) without having to go thru the installation process of Python. It makes these functions easier to use (this example only uses the bundled version: KNIME & Python Graphics - Boxenplot Plotting large distributions - using the bundled Python integration (KNIME 4.6+) – KNIME Community Hub).
And also KNIME is expanding the number of available packages: