Hi guys. Is there any particular reason why we shouldn't remove this tiny sponge and let it detach it self later?

Yup agreed. That's y i told the same to the SA. But he told me better leave it there for "extra protection" as your neighbour at carpark area might hit you door when they open theirs. But i guess this reason is not really valid though as the door position might be not in side-by-side position 😅

Did you removed yours from the day you own it?