Bitcoins Have become an awesome mode of payment in today's life, but how will people know about it without advertising? It's a known thing that to get more consumers, you need to advertise your product, similarly btc needs some more advertising, especially in places where btc is still used rarely
It's very hard to advertise decentralized thing like Bitcoin is. Why? Well advertising is expensive and someone needs to pay for it and getting people to pay for things when you are decentralized is much harder than it seems.
I would rather invest the money that we allocate for possible advertising into a development. We need a strong and robust product that delivers promised. If we have this, people will come to us in my opinion.
In my honest belief, great concepts eventually advertise themselves. People see it, take it and spread the word.
We just have to change our total approach to reach a wider audience. I don't know how much time we have left to do that though.