A couple of reasons PC users were livid about this. One, a bunch of countries can't create PS accounts there. So they were going to be completely SOL on playing and/or refunding. And two, they don't want to have to give their information to Sony who has quite the recent security history:
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
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