PCBway has an option for same-day fabbing and DHL takes about 3 days. That's not too bad for less than $100. The same service from Sierra Circuits or Imagineering would be $1000.
This is also the difference between JLCPCB and many others.
I go to JLC and they show me a price. First thing, in my face. Including the (very reasonable) constraints that I have to meet to get that specific price.
I go to PCBway... price, in my face.
I go to Aisler... "upload your Gerber file here". This is fine for returning hobbyists who already have a file, but if you're considering whether you want to invest the time into the project, not knowing whether it will be $2 or $200 puts a serious damper on even wanting to start.
With hobbyists, this isn't just a deciding factor to get customers choose the competitors, it creates customers: Seeing the JLCPCB prices actually motivated me to learn KiCAD and make my own PCB.