Well no, and you're not living on shelf ice out-running polar bears to survive either. Which also has nothing to do with the price of eggs in China too.
The point is that seals intermediate limb is not a fully...
NO, the POINT is there's no evidence to suggest it's an intermediate limb other than your sheer conjecture!
The only thing "useless" is your strawmen arguments allmendream.
How about the evidence of how they walk on land and swim in water?
Obviously their limb is not of no use, as it was naively and ignorantly suggested an intermediate limb would be, it is of use both on the land and in the water.
But I see how a commitment to a preposterous model would enslave one to that dubious proposition.