As other have wisely said, it depends on the application.

For serious bushcraft work or hunting, it's hard to beat the strength, reach, and cleanability of a fixed blade. Cleanup of folders is a bit of a job. And I can't imagine how you'd get all that goo out of a Leatherman. Maybe run it through the dishwasher when DW isn't looking?

I have a lot of nice fixed blades, but in practice I find that I rarely have one on my belt. So I focus on folders, which I have in abundance.

My usual combination is a Leatherman for the pliers and a clip-on folder as my go-to cutting edge. I don't usually have expensive folders, as these are my SAAB (s___ and abuse) tools that get burned up or lost over time.

Love the Mora steel, though, and the Scandi-grind. Their folders are few and far between. I really want one (or a box) of these: