I still have that sort of a room. In fact, I've spent the past year updating and upgrading it.
The biggest problem with having a well-equipped studio doesn't come from the volume of equipment. After all, it just sits there until it gets used. Instead, it comes from indiscipline...the idea that because these things are there, then they MUST be used. This is the wrong approach, and fits into the category of "blaming the gear for the musician's failings". Just as having some certain device (back in the ACIEEED days, it was the TB-303) is NOT a key to stardom, it's not possible to assign musical capability to the devices at hand. That's 100% on the user.
I recall having some wonderful conversations many years ago with Holger Czukay (RIP) in which this came up. And he pointed out that while Can had many different disciplines in it, ample equipment for the day, and so on...the key to Can BEING Can was in how they restricted what they did. Sure, those restrictions would shift from track to track...but there were always some agreed-to limitations that kept everything working smoothly. Otherwise, the results would've been sheer chaos...which, in fact, they ALSO knew when to employ, such as on "Soup" (on "Ege Bamyasi"). And this is what allows one to have LOADS of gear...but just like how you wouldn't use several dozen colors in one painting just because you happen to have tubes of those colors on hand, you don't want to muddy up your sonic palette by making the same mistake with all of your synths, processors, etc.