And that's the only reason I know to use epoxy on paper and wood. Mind you, it's a good reason.When installing engine blocks, centering rings, couplers you push them into place quickly with one continuous move. If you stop partway they might stay in that position forever.
The appeal, for me, is that I have it on hand. It is often advised on retainer attachment because of its high temperature resistance. I know from experience that it also works quite adequately for darn nearly all other bonding jobs, and I would guess probably for fillets when the proper amount of filler is added (in addition to the filler it comes with). So my attitude is that there's no point in having a bunch of kinds of epoxy on the shelf when I could have just one. (Yes, some thinner laminating epoxy is in my future.)I, for one, have never seen the appeal of JB-Weld for anything other than the retainer mount.