No, you do not understand, or choose to ignore things that are uncomfortable for you to integrate. It's not 'grandmas basement', it's effectively everyone in Australia.

https://www.telstra.com.au/support/category/broadband/fix/ho...

> Connection type : upload bandwidth

> ADSL : Up to 1Mbps

> ADSL2+ : Up to 1Mbps

> Cable (Base Plan) : Up to 1Mbps

> Cable (Speed Boost) : Up to 2Mbps

> nbn™ Fixed Network (Base Plan) : Up to 5Mbps (only available in a small proportion of locations)

> nbn™ Fixed Network (Very Fast Speed Boost) : Up to 20Mbps (only available in a small proportion of locations, and only to business customers)

> nbn™ Fixed Network (Super Fast Speed Boost) : Up to 40Mbps (only available in a small proportion of locations, and only to business customers)

> nbn™ Fixed Wireless : Up to 5Mbp (only available in a small proportion of locations)

Welcome to the world outside of your bubble. A node currently takes up about 35% of the upload bandwidth of an internet connection. At a minimum.

> I fail to see node centralization as a priority.

And therein lies your problem. While you continue to hold to that belief, you will find that the direction of bitcoin will go contrary to your desires.