https://decrypt.co/40284/us-homeland-security-can-now-track-privacy-crypto-monero
It seems that it's at least somewhat traceable as of 2020, and if you have any opsec failures you might be compromised and not even be aware. It's still better than cash but not a magic bullet.
That... Doesn't work like that. If stretching it made it bigger every dude would be dragging a 3 foot hog down the road