After the commercialization of 5G network, should telecom optical brazing go bankrupt?

It should be said that the three major operators will completely shut down the 2G/3G network, but it cannot be said that the fiber will be higher in the future. Now there are precursor fibers, which still have their own needs compared with 5G. In order to better realize the coverage of 5G network and promote the further landing of speeding up and reducing fees, it will become a trend for the three major operators to cooperate in building 5G networks. Web page link