I was trying to make much the same point as this article in 2018 (blogpost, Lisbon panel, podcasts), but it is a pretty good summary. It slightly underplays just how unacceptable a "transparent migration" would be but, still.
Also, it should mention offchainness/higher layers.
It is concise, though, and clears up the main issues:
Also, on crypto hardness: "In short, breaking soundness is not a practical risk" - maybe; pairing crypto?
@stevenroose Oh, heh. Nice observation :)
(instance image by мøтħer ¢røω)