While I will never fail to underestimate the extent to which whales will whale....

No whale in their mind should ever do this offer...
Even buying a gem and running whale ship 5 times would yield better results.

Given I know there are people trying to max 2nd affection as fast as they can for as many girls as possible, but I cannot see there being a reason to go this far because when it comes down to it, these things are still very easy to get; it is only a matter of waiting.