I had an interesting experience the other day. I have been using split keyboards for years, but only recently began using a Kinesis Advantage 360 Pro as my daily driver for work; I am so use to the layout now, that in instances where I have to use a non-split, or even my older splits, my fingers fail me entirely - like my brain forgot how to type, my thumbs eagerly searching for the thumb cluster that isn’t there.
I don’t use the sweep but I actually have plans to build that on next! But I do use 34 keys only and I love it. It is an incredibly comfortable experience and I really can’t imagine going back to non-programmable boards without layers. It does take time to get used to but once you do its kinda game changing.