1. Transaction fees are often seen by bitcoiners as important for finality ("security"), replacing the block subsidy, or censorship resistance. But in my view empirically they've been most important for congestion control and incentivizing Lightning development.

  2. Most bitcoiners are proponents of "protocol ossification", whereas I look at protocol changes with many questions in mind:

a. Is it a softfork? b. How many lines of code or how much engineering complexity is it adding to implementations? c. What is the impact on node operator cost? d. What is the end-user value of the change? e. What other changes is this competing with in priority?