> Especially as in the second part of your comment you restrict shareability/usability significantly

no it doesn't. If my URL is `/thing#a1234` and I share it with you it will load my state for you. If you make a change, it's easy to push a new hash to the url that belongs to you.

> I am genuinely intrigued as to why that's better?

I didn't say it was better. We engineers are supposed to discuss solutions. I ended my last comment with "Just off the cuff thinking".