Everything you do in life consumes energy from somewhere, it is fundamental to the nature of the universe. This is the key factor that makes Bitcoin a workable system and provides its security.
Nostr may not be perfect, but it does represent a massive improvement over existing centralized platforms when it comes to data and identity ownership.
Jevon's Paradox is a core economic concept underlying the plan to scale Bitcoin in layers rather than increasing the throughput of the blockchain itself. However, it is a sorely misunderstood concept.
The ongoing debate over high fees generated by Ordinals and BRC-20 tokens has created a large rift in how to respond to the fee pressure. This is a complicated and nuanced topic to analyze.