Ahh I see makes sense. So it’s not entirely a replacement if you wish to utilise the feature of having multiple eSIMs enabled at the same time. Thank you for the details.
https://support.apple.com/en-ae/118227
> You can have two eSIMs active at the same time on supported iPhone models. For example, you can use one eSIM for your home phone number and another eSIM for the place you're visiting.