What you're saying is technically true but do you know what was a horrible experience?
A few weeks ago when I, in Japan, needed to download many 5+ Gb project files I had backed up on my home server in the US after a hard drive failure and I was hamstrung by my shitty domestic up speed limit.
At least with large web file hosts like Google, iCloud, and mega you're not restricted by your inferior domestic upload speeds. Being able to access the server from anywhere is only half the battle
I loved ITSOL! Just reread it last month actually. I remember just being on the edge of my seat for the last third of the book If you enjoyed that I would recommend The Powder mage Trilogy by the same author, he does a good job of mixing a mystery investigation POV and a more action oriented one, just like in ITSOL, and I find it very engaging. Also The First Law Series. I think you'll enjoy the tone and mix of Known and Unknown Magics in those series similar to ITSOL.
I can also recommend The Will of The Many and The Blacktongue Thief, which were two of my books of the year for their releases, if you're looking for fantasy with a different tone than your standard, run of the mill sword and magic series