I think you have to look at his tweets in context. He was responding to the following tweet:

@slurrpie123

@G_Commish instead of posting fortune cookie readings, how about being a little more forthcoming w/ SH re: WTF happened post RS. #nomorebs

His response

‏@G_Commish

We previously had unsupportive Preferred shareholders. Winds are changing.

i still think he is talking about Discover.

And check the SEC filings yesterday. They just sold more Series H to Magna.