No its not grindy. Its amazing because you aren't skipping over huge amounts of content. You can smell the roses of every incremental growth in the gear you acquire instead of skipping over two armors and going straight to steel you find various pieces and with random stats its like oh cool this piece is a little better than my last. I must have upgraded my armor a dozen times or more, and my guns of choice many times instead of going brown, yellow, blue or pink and being done. Now there is always a better item if you keep looting and the pacing is way better.
You appreciate everything a lot more now. A perk is a meaningful choice because it only happens once an hour, instead of 12 levels an hour like before. But you can specialize early and have so many options to make your player build without buying perks that its just so much better.
The cans? Just clunk. Whats wrong with boiling slow in a jar vs boiling slow in a can? You can cook charred meat on a campfire so you should be able to cook basic water as well, and cans were just a sharp stick. It takes 4x longer to boil without and feels good to me, but whatever I'm only having more fun than I've ever had at this game, what the hell do I know vs some random fan