I guess people just started to realise that mini x86s exist too
People always knew x86s existed. I think the main culprit is the price gap between them and Pis is decreasing. Pis used to be around $35, which has skyrocketed to 3-5x MSRP, plus they were unavailable for a long time. Now the Pi’s performance to price ratio isn’t justifiable to most, so people pay a little more for the x86 but get so much more capability.