I think if there were a lot of people that simply ask "do you accept bitcoin" this would make the business think to themselves everyone is asking about this bitcoin thing let me find out what it is and then once they look into it they may adopt it or even come back to you to ask for more information.
Other larger companies with an online space would have systems where they log support queries so over time if they keep getting the same query they will no doubt look into it or already be looking into it.
The use of Bitcoin at this time is still reaping controversy. as the only currency regulator in my country, has declared a firm stance against Bitcoin since two years ago. "Bitcoin is not a valid means of payment, because it does not have a clear idea as well