I'm just not seeing BSM being the cash cow people want it to be this patch. Yep, they get a lot of 250 weapons. Yep, you're going to need 5 of those Demicrystals to craft each one. Yep, these weapons will sell to glamour hounds if they look good, and people who can't handle a new Ex Trial that's supposed to be easier than Nidhogg Ex. I'd realistically expect the market to bottom out much faster for weapons that any other crafted item this patch because of Sophia. It's possible that the spread of secondaries, and 'some weapons' not receiving a WD increase for that 5 ilvl difference might make a couple crafted weapons more desirable but......it sounds like the effort to profit margin just isn't big enough, unless enough people drop BSM spec to make the rarity drive price up.
And IFF Demicrystals come from desynth, it depends on what ilvl they start at. Most people have ignored desynth completely in 3.0 since we've only been leveling it to get the same exclusive items from i220 gear that we got from desynthing i70 gear. Anyone not already above that level to get Demicrystal will probably not find it worth their interest to level for it now.