That's why we need to put an end to 399 USD price for everything, everything already expensive and 350 USD price for GPU is not for mainstream GPU anymore but for low end, PS5 and Xbox Scarlet will targeted for mainstream with price standard at 499 USD which is the new entry for base console standard. And also there wont be additional block of RT i believe, because the tech implementation for RT will be different from Nvidia, AMD will be using a hybrid hardware and software RT solution . It means less additional RT block with more optimization on software level.
That's a wierd view on price brackets and performance those cards offer, $350 is defnintely not low end, current low end is something like RX 570 which is around $160-$170, with 1050ti (@ around $140) probably being lowest end you'll see in benchmarks.
But yes, move from $399 is long overdue.