Originally Posted by televisor

Well they're unclogging the normal lines in equal parts, so not really fair to call it clogging. In fact, optimising taxpayer resources could be one way of looking at it (even more efficient if they just moved everyon to pre of course).

FWIW visa users have already paid some ridiculously hefty Visa fees (and wasted a lot of time in a US consulate), it's only fair to grant them some niceties when in the US.