These definitions, both for Qualified Institutional Buyer and Accredited Investor are wrong.
The definitions are lengthy, but very specific. Google is your friend, as is Wikipedia. For instance, the term "accredited investor" is defined in Rule 501 of Regulation D of the U.S. Securities and Exchange Commission.
Probably the easiest way to be an AI is to have net worth of more than $1 Million excluding a primary residence. It does not have to all be in one brokerage account. There are seven other ways to achieve this status. Most of them are geared toward trusts and institutions. Sufficient income will also put one into the AI class.
While I am not the most sophisticated financial person in the world, I personally, would be very wary of any advice coming from a source which can get a simple and easily verified definition so wrong.
and don't even get me started on Reg d15 SMMP regs.