That's not remotely true. Nano is up and running like 9 years now and has survived countless spam attacks. The last attacks have gone completely unnoticed except by people watching for them.
As a non-inflationary feeless currency it's inherently far more decentralized, and tends to decentralize over time.
Why on earth would POW be the standard when block lattice is better in literally every way? It's faster, safer, and 10x more efficient than a Visa transaction.
And then there's quantum resistance.
Why do people on a tech site full of 'smart' people let statements that wrong go unremarked. It's weird.
It's like someone was saying, watermills are great because they can help you mill your flour. Someone else chimes in like, hey, you can actually just get a wind turbine or a solar panel now; it's way more efficient... And then you - a year old account with -1 karma - jump in saying, 'lol solar power shills still exist?!'.
Like... Who's the shill here? How much BTC is in your bag?