I still stand by everything I said in that comment, and it has served me incredibly well on every project I've worked on since. At least in the cases where I followed my own advice :-\
tl;dr: if you're trying to build and ship something quickly, don't use any new technology. If you want to use your project as an excuse to learn a new technology, limit yourself to only one technology so you can better isolate issues when they crop up.
I still stand by everything I said in that comment, and it has served me incredibly well on every project I've worked on since. At least in the cases where I followed my own advice :-\
tl;dr: if you're trying to build and ship something quickly, don't use any new technology. If you want to use your project as an excuse to learn a new technology, limit yourself to only one technology so you can better isolate issues when they crop up.