Hopefully, sooner or later we would reach the mass adoption, because the whole picture in 2019 is very disappointing. No new good projects are going live, old coins are falling in price and the mass adoption is still on the same level.
I think you have a mistaken idea of how long it will take for the mass adoption to happen, this is not something that will happen in a few years especially when bitcoin is not ready for the mass adoption anyway since it cannot deal with millions of users all trying to use the network at the same time and until that is true then do not expect that kind of mass adoption.
And even when we get that it will take some time before people begin to use bitcoin but there are some good news the economy is not doing as well and if it begins to go down then people will look for alternatives and when that happens then bitcoin will be there to offer them the option they are looking for.