Hi!
Obviously I can only speak for myself, so I try to explain my view:
While I do have a "workshop" in the basement, most of what I do is "DIY"/home improvement all around and in the house.
So I need to bring many of my tools, accessories and consumables to where I work. And I actually love working on my patio from late February/early March to early November. Meaning that I "set up shop" right there when I want to make something.
Additionally I also have tools that are rarely taken/moved out of the "workshop". And if my "workshop" had a name it would be "Vise Room". Honestly, that's what it is. It's the place my vise is located and when I need it, I go downstairs to saw/file/sand/grind ...
When I started, I bought quite a bit of Bosch Professional tools in L-Boxxes but I never really got into it and my personal feeling is that Bosch is still struggling to make this system really work for them - they are overall not as committed to the L-Boxx as Festool is to the Systainer. It's definitely is a lot better than a couple of years ago, but my personal opinion is that Festool still comes out ahead with the Systainer, and especially in regards to inserts and accessory/consumable storage. But then again, that's just me.
What I really love about storing tools in Systainer is that I never have to worry if I have "everything". I know their contents. When I grab my PDC I know everything I need for basic/essential use is right there. If it's more "complicated", I simply add the Systainer with the Installer's Kit. When I grab my impact wrench Systainer, I know I have everything. ... Gear up, gear down. It's a matter of seconds.
I wouldn't want to miss these by now, and don't get my "awe'ing" and "oh'ing" about my SYS-Cart, the SYS-PH and CTL-SYS ... Fits my needs and my way of working perfectly.
Another aspect is a tidy and safe work environment and clean tools. I hate nothing more than dirty tools. I know there are environments where this isn't top priority or quite simply not required/ possible. But I don't want to drill a hole and then soil the wallpaper when putting in a wall plug, because dirt from another project transferred from my drill's handle to my hands. I like to work as clean as possible whenever possible. And I try not to cross contaminate by having tools I don't need lying out in the open when working with metal (or whatever) in the "Vise room"
So I do not store many tools/accessories/consumables in open spaces anyway.
I'm not on the clock, so if it takes me 10 seconds more to open a Systainer and take a tool out and another 10 seconds (make that 30 if I need to put a plug-it back [tongue] ) to put it back it simply doesn't matter at all to me.
Honestly, and while I probably shouldn't, I take a little bit of pride in having clean, ready to use tools/accessories/consumables and working as clean as possible.
Kind regards,
Oliver