I have a Kudd.ly, chosen over the Oodie as it is apparently longer. I'm 5'7'', and it is knee-length on me. DH laughed at first, but since I made him try mine on he is keen to get one for WFH days and camping. He is 6' and and XL size in T-shirts, and it was still a very roomy fit. It was mid-thigh on him though, and he was disappointed to hear there isn't a longer length.
I too find it impossible to do cooking and other tasks (like hanging up washing) in it, as there is just too much fabric to work around, but I would take it off for those jobs any way as it gets too warm to wear once you're moving around IMO.
Perfect when sitting though. It was a God send last month when I was sat ordering and inputting receipts and doing my tax return for the week. With no one else in the house I couldn't justify putting the heating on, and it was bloody freezing by 10am. The Kudd.ly (plus some slipper socks for my easily-chilled toes) kept me really toasty.