Earlier quoted context omitted.
Tornado still too low level. - It's verbose compared to flask. - It reinvent the wheel, while flask uses great components such as werkzeug. - If you want to make a component, it's complex. - It doesn't come battery included for the Web like Django, just the bare minimum. - It misses the opportunity to provide task queues, RPC or PUB/SUB which are key components to any modern stacks are made easily possible by having…
We will have to agree to disagree on many of your points as they are mostly personal opinions, but the last one is flat wrong. Tornado has for a long time had great support for fully leveraging all CPU cores. Happy to show sample code if you like.
My mistake. My knowledge on tornado is dated.