"Pikabrick" was an incident where someone uploaded a modified (read as fake) version of a popular game "Pokemon Let's GO Pikachu", that bricked people's consoles if they tried to install it. This is software, after being booted into CFW.
Your case has more to do with early booting. You need to check your solder points, because according to Rehius, this kind of hack should be able to potentially boot with [corrupt EMMC] plugged in (if you have V1 or V2 regular) or corrupted NAND chip (on OLED or lite) so you would be able to restore a backup. In your case, not having a backup means you won't have access to nintendo servers if you modify build files to make your own custom nand. This is still better than nothing, and if you didn't intend to play games online, is not a real issue anyway.
EDITED: corrupt eMMC still needs to be plugged in to boot.