Doing so can help more people understand Bitcoin and let them all understand the benefits of holding Bitcoin. Accepting Bitcoin payments provides customers with more payment methods and also attracts crypto enthusiasts and holders, which helps in the growth of the business and financial success.
It won't help more people understand Bitcoin, but it can help Bitcoin get promoted to everyone. Because those who have just heard and know Bitcoin from other people's writings or words, they may not necessarily be able to understand how Bitcoin works and how to use Bitcoin when they want to make a transaction.
Of course there are benefits, but that's only for Bitcoin because when there are many people who see that place willing to accept payments via Bitcoin, those who just heard about it will definitely find out about the procedure for using it and the procedure for storing it. Whereas those who are experienced in using Bitcoin and also often save it, obviously this is a very good thing because they have additional options for payment when they are there or when shopping at that place