"but in a safe way" - that is the whole point and attempted slight of hand, imho, the risk of harmful unforseen consequences is too great for bitcoin. The bitcoin that I hope will be the granite bedrock for the future of human economy. Yes, I did listen to the podcast 😉 Thank you, Stephan, for your valuable podcast, and other contributions to bitcoin! 

 The future needs updates, developers, changes and some constrained risks. The idea that some old, ossified software can last forever and still be useful goes against reality (of every software ever built) and it respond to just speculative people afraid of loosing their speculative money. To last means to evolve (slowly), hard truth of life.