Personally, I think that mass adoption is going to push the prices up and reach a new ATH. As the supply is limited, by increasing the demand for Bitcoin is going to have a significant positive effect in its price. We should try to integrate Bitcoin as a way of payment method in e-commerce businesses at first. This is very easy and it can show results directly to the market.
That's right, mass adoption on Bitcoin would definitely raise the price because the demand of the coin will rise. With the limited supply, it will surely rise in price when people started to adopt on it.