hi sober lark,
The question was quite specific about endowment policy encashments not about product sales in general (I agree it is not up to the provider to 'sell' competitor offerings)
However, dealing with the specifics of endowment encashments, I assume that the provider's interests are best served by continuation of the policy. Then not alone is it good customer advice but self interest of the provider would suggest that they should advise of endowment purchasing options. I still see this a win all round.