I hear what you're saying and I agree, but this specifically is just a BBC/british thing.

Overall all the streaming companies are raising prices for profit regularly and introducing ad tiers everywhere to enshittify it to the max. Can't wait for them to start delivering targeted advertisements in the UI "but not in shows!" in all tiers, because that'll come before they put ads in all tiers and introduce a new supertier that costs much more and has less ads. It's all just $.