Yup, needs some alcohol rub and proper clean.
I remember back back in the days there used to be plastic skins/cover for keyboards to keep dust out, maybe you need that 😁
Discussion
actually, it is dodgy cables... the neat elbow jointed cable... it's obviously pretty low grade, it was not helping either, i tested it independently and it still did it... but the biggest offender was an extension cable, ugreen brand, that was straight up disconnecting sometimes for a while, i'm gonna have to get some better quality cables, but for now i've got adequate cables in place
these cherry keys and key caps are basically mostly invulnerable to all except having actual beer or coffee spilled on them, absurdly robust hardware, really nice stuff, so good you can assemble them yourself
if you haven't got yourself a DIY kit for a mech keyboard - you really should, these things are like adult versions of lego
Thanks will definitely check them out