It depends...it there is some meat left, then yes, if it's all thin slabs, not really...unless you are in a bind for fast drying wood maybe... slab wood is a pain to process too
Been there done that...it works...kinda...sorta. as soon as you get cutting the bundle starts to fall apart...and the slabs are random lengths to begin with...the bar gets bound, and when you do get it mostly cut, the stuff is a challenge to stack...all kinds of random sizes/shapes! The easiest way we've found is about 4-5 people and an old buzzsaw... fortunately everyone is far enough ahead here to not need slabwood anymore
You are right in that the best, fastest and easiest way to buck up slabwood is with a buzz saw. Yet I've cut quite a bit using a chainsaw with a short 16" bar and had no problems. The last time was at neighbor Jim's where we cut wood for him at our GTG. Several years ago he went to AZ for a month or so and asked if I would cut a bunch of slabs so his son could burn them while he was gone. I thought his son would help but I was all alone. Git it done but I didn't do any stacking.
Always fun to check those out and use your FHC imagination. Ive never processed slab wood other than a few scraps from buzz-saw's mill. Years back the campground my brother and I stayed at often sold bundles of pine slab wood. Must've been fresh cut as it seemed to burn poorly. We'd watch other campers try to burn it. Him and I would chuckle as we found and cut our own.
I burn my fair share of slab wood. I don't go looking for it, but it seems to end up in my yard for some strange reason. Burns OK but it is sort of dirty since a good percentage is bark. Generally, I will mix it in with some nicer stuff during the season or burn some in the fire-pit (haven't done that in a while but that's another story). Most doesn't get split just burned as cut. If it is not dry, I just cut it into 16" pieces and stack like everything else.