The ability to learn is not blocked.

  "Simple Mode (disables advance blueprint management options)": false,​

...

"pistol.revolver": {
      "defaultBP": false,
      "canResearch": false,
      "scrapRequired": 50,
      "unlockMinutesAfterWipe": 8000,
      "autoUnlockMinutesAfterWipe": false

It’s been 19 hours since the wipe.
I set it to a higher value in the settings.
But the revolver is still researching.