Yes, indeed, if they're kicking off late in life over 2400m, you can bet its because the trainer doesn't think the horse will be competitive at under that trip.
She reminds me of Hydrogen, who raced in the same colours, but cost more than quadruple Deep Sea's purchase price of AUD$1.2m+.
He too was slow to mature and slow at the gallop. Debut over a mile and half, get beaten out of sight.
Deep Sea won't be going into my blackbook.