Hello.

Sometimes the reason why some feature was not implemented out-of-the-box is that it wasn't requested by more people or there is a simple workaround for it, like in this case. If you feel some feature is really important, good for more people and cannot be done in other way, you may submit it to our User voice and let customers vote.

However, this functionality is not the idea of the breadcrumbs navigation itself which means you need to customize it since you want to behave it differently than it should.

Best Regards,
Radek Macalik