I also have hibernation disabled, and I've never noticed some obviously large file that might be a hibernation state on my drives (even e.g. removing a drive after a shut down so there was no restart where it could've been deleted).
https://superuser.com/questions/1096371/why-is-windows-hiber...
Still it isn't much longer for me to restart after fully shutting down (with a more recent system and SSD), just more time in Windows and less in the BIOS (and shutdown is instant with "fast startup" turned off, which is better for me since I usually pull the plug after turning it off). About 20 seconds (counting myself, not timed).
Still not as fast as DOS + Windows 3.1 IIRC, but not too bad for turning it on once or twice a day. I have also noticed the many things that have delays now in places there weren't 30 years ago, but I don't think boot times are the best example of this. I might appreciate the twitter rant if not for the completely incorrect diversion about google maps (you can drag parts of the route to make changes and get exact distance, better than paper maps and with much more details about what is nearby). IMO, computer interfaces should have a tool focus, doing basic tasks quickly and reliably so that users can learn to use it like they would a physical tool (while also not making users do extra work that could be done quickly and reliably). Now everything tries to use the network all the time, adding random delays as well as compromising privacy.