It still remains though. In Osaka dendentown there is a shop that exclusively sells screws.
I remember when living there of the marvel of teenagers having GPS in their own cars circa 1999. Or the incredibly advanced cell phones miles ahead of their western counterparts. That's no longer the case.
Now you can find everything, much cheaper, and more conveniently, right here in the US.
Akihabara was over when Amazon and Alibaba opened the floodgates of distribution to Chinese and American electronic manufacturers.
If you want kirkland brand, you have to go to Costco. There's no equivalent for japanese electronics anymore.
Saying Goodbye to Tokyo's TINIEST Shop | Akihabara Tokyo Lens · Aug 14, 2022 https://www.youtube.com/watch?v=nA1UNJirOTI
I Rebuilt JAPAN'S TINIEST SHOP!! Tokyo Lens · Aug 20, 2023 https://www.youtube.com/watch?v=nsimPVu1aLU
It started out like that and then lot of otaku shops opened and now akiba is known more for its otaku shops than the electric ones.