6) Lots of folks on the internet will complain.
LOL! You're SO right about that. The sun is likely to be seen rising in the East tomorrow, too, and it's a safe bet that somewhere a cat will probably have kittens.
Bitcoin would probably grow a little slower, but please realize that this is an endurance race even though sometimes it feels like a sprint. Bitcoin can never lose by growing too slowly, only by growing fatal flaws. It is worth it to be careful.
Here I think we disagree. If there's a moment when a lot of people want to use it, and it takes the load, then that moment is not likely to end. If that moment arrives and it collapses, then that one is over and another moment is not as likely to arise. It does little good to build the system people needed, two years
after they need it.
So I'm of the opinion that the Bitcoin network needs to stand ready to take a large load, within at most a few weeks after the load starts ramping up, or else it squanders an opportunity to become part of the world's infrastructure. Another opportunity may arise, but then again it may not.