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They are supposed to be readable still. If you can't then that's an accessibility issue, not censorship. Try turning up your screens contrast.
I don't have accessibility issues and I don't make this up. I've seen comments with a text color of #eee, I had to go into the inspector to make it readable.. Maybe that has been changed/fixed already which would make my entire comment pointless indeed. Personally I think grey out text should not exceed about #ccc.
Also, you can use text selection via mouse or appropriate touch gesture in order to read even the lightest-colored comment.