Gigabit is backward compatible to any slower speed. The unused bandwidth is not wasted somehow. The current copper network is going to have to be replaced anywa

Gigabit is backward compatible to any slower speed. The unused bandwidth is not wasted somehow. The current copper network is going to have to be replaced anyway. It doesn't make a lot of sense to run fibre past buildings just to connect more and more VDSL2 and DOCSIS 3.1 boxes sitting on the boulevard in a desperate attempt to squeeze another decade of life out of shorter and shorter lengths of existing copper.