Agreed with @Cerulean that this was a bigger perceived problem in 2020 and 2021.
Tinfoil hat conspiracies of PSA’s standards changing have been around forever. Every time there is a change in the leading number 2XXXX, 4XXXX, 5XXXX, 6XXXX, 7XXXX, etc. a new wave of disgruntled collectors claim that the newest cert is best and everything older is trash.
Here’s a thread from 6 years ago (2017, wow time flies!) questioning whether PSA changed their standards.