system
A chat on subreddit /r/NoStupidQuestions
human
Wow that sounds like a colossal waste of time effort and materials to build lol
gpt
My parents had one in their old house.  They built the house (with a developer) so I imagine it was an option.  It's a novelty, as far as I'm concerned.  I thought it was pretty cool when I first saw it but after vacuuming with it, I didn't like it.  My biggest issue was that the hose didn't coil up nicely.  In a regular upright vacuum, the hose is short.  In this thing, it was just a big unwieldly hose.

The nice thing is that the canister can typically hold more before you need to empty it.

There was a central vac system in the first house I bought, which was a 50 year old house (built in 1965).  It didn't work and I'm pretty sure it was original.  I thought about getting it working again but I ultimately didn't because the whole house needed work and I knew I wouldn't use it.  It just killed me that I had something in the house that didn't work.

I do mechanical design for houses and I have yet to see a project I'm on include a central vac option.