If I'm at Markham n Sheppard and I wanna go to Yonge n Sheppard, with the new EELRT built that takes me McCowan n Sheppard, then I transfer to the Sheppard line & go to Yonge n Sheppard.
With your iteration, I'm taking the EELRT to McCowan n Sheppard, transferring to take 1 stop south to STC...