To be fair, MVP (basically a shell for a distributor to facilitate B2C), noted the print run was likely reduced as well. No where near 90% though.

“Doctor Who right on its heels, whose opening allocations have been bizarre to say the least. Initial collector booster supply looked to be 1/6 of normal, i.e. tiny; while Commander decks looked to be +175%, i.e. huge. Watching Wizards' sales through their Amazon storefront and the accompanying price jumps one might guess that this set's demand is highly variable and so far that is proving right: some (clearly not a plethora) are very excited for it, others could take it or leave it without losing much sleep. Then last week the manufacturer announced 'production issues' on decks that 'could' delay up to half of wave1 units. But now they're not sure. Ok. Ludi Incipiant..”