It's unlikely that anyone would be logging that these network requests would be made, let alone the raw input/output. This level of network logging is typically only turned on briefly for diagnostics.
For fun and for research purposes, in the past I've set up SSL dumps that just log all the TLS commands and sort them by frequency. The ones at the top and at the bottom of the list were the most interesting.
But yes, generally you're right, and this circumstance is obviously different from that one.
They hope exploits carry forward into newer firmwares so that they can use them to find newer exploits introduced in that firmware so when they use the previous exploits, they can use the news ones when SONY patches the older and explore what SONY did to fix it; learn more about how SONY's devs think.