As the title says is this true? I cannot find anything that tells me. It feels like for me at least, when in D or C class I was losing far less compared to B class no matter what series I run in. I had 2 recent races at laguna and both involved idiots and caused massive SR loss, lost a total of -28. I don't think I would have lost this much in a lower class.
Such a pity, Okayama was a dream so many awesome races, so few incidents. Get to Laguna and everything changes sigh.
edit: Nevermind found my answer
For anyone who is curious: