Are cheap wifi devices more prone to running unsecured AP nowadays?

So, Christmas has come and gone again.

Some of my neighbours got solar inverter systems, car dash cams and bedroom smart TVs. So I know this because they told me? No. I know this because their devices’ broadcasting, generally unsecured wifi AP told me so. And in some cases their unsecured wifi AP hosted unsecured dashboards to their devices — e.g. to the households power inverter!