Parental availability has been steadily declining for decades - the same decades where video game usage took the place of other activities. You can do your own

Parental availability has been steadily declining for decades - the same decades where video game usage took the place of other activities. You can do your own research. If it's difficult to get hard data, use soft data and draw inferences, but don't invalidate what data we clearly have and from which plenty of valid use can be extrapolated.