Yes, I guess I am but certainly not to some of the extremes that you see on, say, the Hoffman board. Any improvement made is incremental, has to be cost effective and make a very tangible improvement to the listening pleasure. I also often go for second-hand and ex-demo parts where this is possible. I started out with a simple music centre, which did its stuff for some years and have over the decades built things up gradually from there. Amazing how some of the best audiophile experiences are with 50+ year old records.
I've also got reasonable space to put this stuff and its not vulnerable to damage by kids, dogs etc. If it was I'd be back to the music centre in a flash !