http://kotaku.com/reports-of-xbox-one-disc-drive-issues-increase-1470495704
http://kotaku.com/ps4-blue-light-of-death-has-no-clear-fix-yet-1465979487
Both consoles are plagued with hardware issues. PS4's are suffering from the blue light of death and XBones are dealing with the disc drive of doom. I refer you to the above video
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"Plagued" PS4 has a 0.4% failure rate you know right? With a million sold in a single region of course the PS4 is going to have some errors. Same with the XB1