That does not sound like something to deliberately leave untouched for 14 years either.
Only if you have just one 
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What kind of wallet software was reputable back in 2011?
It could be as simple as a paper wallet.Quote
Anything would be vastly inferior than the ones that were developed later on, in terms of security.
Cold storage now is not better than cold storage 14 years ago.Quote
Imagine watching your net worth go from $30k to $300m and keeping them in a paper wallet. Lol! If I was him, I would have moved them into a BIP39 seed phrase at least, if not multi-sig / BIP39 with passphrase.
Why? He could have turned it into a BIP38 encrypted paper wallet and burned the original in 2012. As long as it's safely tucked away, not touching it is the safest thing to do.He also recovered $5M in BCH and has some other "crummies" in Forkcoins to go.