Hi.
What if mega banks/companies decided to accept btc, and hold it? They are billion dollar + organizations. They could afford to hold millions of BTC on hand and it wouldn't affect them. Heck even some of the large companies that are smaller have capitical expenditures in the 100s of millions of dollars per year. It seems the best thing for banks to do would be to buy bitcoins up and hold onto them.
How badly would it affect us knowing the banks regain control simply because they have soo much money to buy it out? They might have been doing it this whole time and we wouldn't know it.