In the houses you and I live in . .
. . that might be practical, but the computer must be exiled to an upstairs den because it would clash with the living room decore. The living room is also rather too large for really intimate supervision. You just don't understand what the rich must suffer through.
But practically, there are several significant issues that would remain: unsupervised time, lack of maningful security in Windows 95/98/Me, and accidentally discovering things which are cleverly placed, named and linked to make the probability of accidental discovery as likely as possible.
Suppose the kid accidentally stumbles into one of those porn traps where hitting the back button just gets you more cascading Windows of more of the same?
Yes, I still delight in the distress of a former client, a very Christian woman, who, after a day of Internet use, found her desktop wallpaper had mysteriously changed to an image of naked bodies peforming "unnatural acts".
[link|http://www.aaxnet.com|AAx]