According to the same Kotaku blog, some console fix techs reported that at least half of the PS4s they service are full of roaches. In fact, such an issue is so common among the console that the shop has started charging a so-called roach fee of $25, said owner Patrick Che. Roaches make their way into Xbox Ones sometimes, too.
In an interview with Kotaku, Patrick Che of Manhattan-based XCubicle, a console fix shop, told the blog that the pests, which tend to reside in warm dark places, love Sony's game console.
Also, the PS4's ventilation openings are wider, making it easy for roaches to get up in there. Primarily, consoles can attract bugs because they're often kept inside of home entertainment centers, and provide the kind of dark, warm environment that insects prefer. Also, according to fix professionals, the PS4's insides gets hotter than the Xbox One's because of its internal power supply. The PS4 also runs hotter than Xbox One due to its internal power supply, so it's nice and cozy inside.
Sony does not accept cockroach-infested PlayStation 4 consoles for repairs, leaving the dirty duty to the hands of independent fix shops.
This video explains how independent store repairmen look for the critters in your console. If roaches can't reach it, they can't move in. When the bugs have made little homes in there, and have little roach kids, those roach kids and their faeces can melt onto the hardware.
iFixIt employee Matt Zieminski claimed that, in most cases, owners who send in their PlayStation 4 units for repairs do not know that their console is packed with cockroaches. The have a distinct fecal colour and smell and if there are fecal stains on the fan, repairmen instantly figure it's a roach infestation. "The PS4's internal power supply fries roaches onto its components, which can stop the PS4 from turning on", Kotaku notes, which requires a power supply replacement (and a good scrub).
You can keep your PS4 from being infested by keeping it further from the ground and in an open place.