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Do you have a link to where they said this?
I can't give you a link, but I can say as a former dev: As of season 4 the chance was the same as it was at launch, and it was significantly less than 1 in 500.
It's technically possible they've changed it since then, but if they did I can't imagine them making it more likely.
You are a former developer at Respawn? Can you verify that?
Also if you were a dev then you would know what the actual rate was, can you let us know?
Post history pre June 2020 if you want verification.