I assume they ask because software security and stability has generally improved over the last 20 years.

Sure, but not Sony’s. Taken from any of numerous posts on Reddit (there are many with sources if you want to find them:

April 2011: Hackers Access Personal Data of 77 Million Sony PlayStation Network Users

May 2011: Personal Details on 25 Million Sony Online Entertainment Customers Stolen

June 2011: Sony Pictures Website Hacked, Exposing One Million Accounts

November 2014: Hackers Steal 100 Terabytes of Data from Sony Pictures

August 2017: Hacker Group Accesses Sony Social Media Accounts

September 2023: Sony Investigates Alleged Hack

October 2023: Sony Notifies Employees of Data Breach"