Patterns in WordPress v6.5 are somewhat versatile and have their uses, but you run up against limitations pretty quickly.
However, with Pattern Overrides slated for release in an upcoming version of WordPress core, their usefulness is about to skyrocket.
This video will show you what Pattern Overrides are capable of, which behave much more like true components you’ll find in other software stacks like React.js.
Fingers crossed this sees the light of day soon and supports 3rd party blocks as well.