@Wann****
this has nothing to do with fast track. Some tourist visas/entries (Elite, Americans/Canadians with APEC) have fast track, while MOST non-immigrant visas don't have fast track, only a few niche visas like LTR.
"Long Stay" on the fast track lane refers to a very specific and very niche 1y retirement visa facilitated by the Thailand Longstay Company with bundled fast track, it doesn't mean "non-immigrant visa", they don't get fast track either (unless LTR or they qualify personally by being over 70, etc).