I think you're right.
Almost no one fixes stuff anymore, its an essentially throw-away society now a days.
I used to like browsing there though back in the day. You could "wishbook engineer" projects based upon the available parts for example.
Your car had an AM radio, but, there were FM stations popping up...install an FM converter, and you were able to listen to FM while driving.
Want some resistors to amp up the power on something...and a soldering kit, some boards, etc...right there on the shelves.
As time went on though, the demand waned for this type of stuff. The clerks went from people that might have built a kit at least, to those who had to open a catalog to see if an AAA battery was larger or smaller than a AA battery.
The stuff on the shelves went from parts you might install on a practical device, to those you might use for a HS science project, to those that were of perhaps "Party Favor" quality.
The one's around here at least, become progressively dirtier and dingier, with mold growing on the water damaged ceiling tiles and a pervasive smell of decay and neglect.
One by one they died of neglect. They were all in a financial death spiral, and, customers could sense it, the way a "cancer dog" can tell the patient doesn't have much time.
With the net a click away, even the cancer dogs walked out, it was all over.