Sure, it is not necessary to do that, it is sufficient to make the prices of your services in dollars sufficiently greater than the prices in bitcoins, to make it more attractive for people to exchange their dollars to bitcoins before buying something.

Information service providers, programmers, and other people play key roles in todays businesses.
If they would choose not to accept other currencies, and demand for bitcoins, bitcoins would grow in value.
In addition, such people are free to choose to be motivated to help to businesses, which agree to sell their products in bitcoins.

1) Choose your beloved retail product, such as a burger,
2) Offer your services, such as promotion, extravagant website, etc.
3) Convince that "you will have all these, just agree to accept bitcoins for your product. I will accept them from you for my services, and my programmer friends will also be glad to help you with your business, if only you will accept bitcoins for your burgers."

The possibilities are endless...

We are having here a major bank refusing to let us use their on-line payment processor to trade bitcoins.
Also, we have tried other payment processor businesses similar to PayPal, approaching them openly (by saying that we want to trade e-currency).
All of them refused, leaving us with the only other trading option -- to ask people make payments manually.

That is fine for us now. However, just wondering, should or shouldn't we publicise these cases?
What we think such publicity could do, is probably just incite banks to engage in lobism... So, we just keep working silently.

Lithuanian subtitles available. http://dl.dropbox.com/u/11505623/Kar_yra_Bitcoin.srt