[mothered]

A product which is goods will be your responsibility from the time we deliver the product to the address you gave us

That's provided "they deliver It to your address".

If It's not successfully delivered, It's their responsibility.

or a carrier collect it from us'.

It's contradictory to what they've stated above.

The carrier obviously needs to collect & deliver It.

So would that be their way of shifting the responsibility to the hands of the delivery company?

Possibly.

As per below, the fact Is until It's delivered to your address, It's their responsibility.

from the time we deliver the product to the address you gave us