1) What are the "much better alternatives"? 2) I've made 4 transactions in bitcoin this week, none of which had any problem being confirmed. 3) If people switc

1) What are the "much better alternatives"? 2) I've made 4 transactions in bitcoin this week, none of which had any problem being confirmed. 3) If people switch to alternatives, don't you think people will be incentivized to decentralize them for their own benefit just like bitcoin?