If you're rubbishing it due to the lack of Arkwright, then fair enough. If you dislike Open All Hours in general, then we need to have a conversation.
The former.
OAH without Ronnie Barker would be like Fools and Horses without David Jason...it just won't be right.
Some things are best left where they were and remembered as the brilliance they were.
Case in point: the recent remake of Yes, Prime Minister. Utter, utter excrement by comparison to the legendary original.