Yep, because a big part of the drive for it is to reduce the overcrowding on the lines 1 and A, and thus it needed to be as fast as possible to actually be comp

Yep, because a big part of the drive for it is to reduce the overcrowding on the lines 1 and A, and thus it needed to be as fast as possible to actually be competitive with them. Funnily this was so successful this led to overcrowding on the 14, hence the extension of the line E to take some of the traffic from the 1, A and 14; and the 14 itself was extended to connect one of the airports and a bunch of suburbs under heavy redevelopment.