You could probably get an iPad, a USB midi dongle, a midi keyboard, and a whole suite of software for that, too.
Despite both items serving fundamentally the same base purpose (getting from point A to point B for cars/motorcycles; making music for OP-1/your list), and one of them is cheaper overall and on paper has a lot of factual advantages, they might simply prioritize different things and both be extremely good at different things they prioritize. I, personally, love the workflow of the original OP-1 way more than almost the exact list you produced (because it used to be pretty much my setup, except I used a different midi controller).
The OP-1 if we're using motorcycle analogies is like a Zero. Really cool, new tech, quirky, doesn't use gas (a traditional DAW) but also comes with a bunch of limitations (can't load any of your normal synths into it, have to work around sampling) kind of like the limited range of electric motorcycles.
Totally fine if what you want is an electric bike for city commuting or short trips, until you want to go on a weekend trip or a track day. Now you're waiting on charging, and limited in power.
I think we've stretched this analogy far enough. I wouldn't call a laptop with an audio interface and Ableton a Honda Civic. OP-1 fills a niche, but it certainly isn't high end performance in terms of audio quality or malleability. They're really cool, creative, unique ways of making music if you like the interface, but ultimately a quirky niche in terms of actual production.
(Which is totally valid if that what you want from your musical instruments)
People buy gear because they like a workflow and the UX/UI tactile choices a particular designer/ brand decided to highlight.
I love Elektron devices and I enjoy patching away on Eurorack. I'm pretty sure there's VSTS out there that will do 99.9% of the sound design I do with that gear, but then i'd be using an iPad or a laptop to do that... and that just completely kills the mood :/
People should (with in their means) obtain they musical instruments that allow them to create music :)
So I think it's a funny product that has a lot of 'nerd appeal' but at its heart it's a pretty powerful devices, maybe often miss-used.
Also - having played with both 'hardware' and VST's I do prefer VSTs because of the ease of use; aka you can reload a track in seconds in Live versus spending 30+ repatching your gear, swooping out gear, etc (and then it's still not quite the same, but that's part of the magic of 'real hardware' I suppose).
But at the end of the day the music I created with VST's versus real hardware wasn't different at all sonically so I am 100% in the camp of VSTs are awesome.
That said, you need to be careful selecting a VST.They go 'stale' and become a liability, so for example if I open up projects from 5+ years back, almost none of them work now. So going forward, I'm going to be more careful, and probably buy VST's only from companies I expect to be around for the long haul.
It's funny, I kinda feel like this is what the OP1 was trying to be, or maybe what I wanted it to be, but this actually delivers on that promise. I want one: https://polyend.com/play/
Just finished a verse and got halfway through a chorus on a 30 minute ferry ride and I didn’t even have to remember to bring anything but my phone.
https://glicol-tidal.netlify.app
The BPM can be changed in real-time and not limited to 4, 8, 16, 32 grids of sequences.
That said, the sounds it ships with really leave something to be desired. My subjective opinion is that anyone who's played with a best in class software synth (i.e., equator2) is going to find themselves feeling pretty limited by the blippy tones that you get out of the box.
Sure, you can load up the sampler with tons of cool tones and op1.fun is a wonderful resource, but it's a lot of work to go curate a bunch of sounds to compensate for a lackluster palette.
I can already hear people saying that I'm missing the point and that the constraints are designed to inspire creativity, etc. I respect that point of view, but at the end of the day, my creative time is at a premium, and I'd like to use that time to create stuff that I'm proud to show friends and family.
Most of the stuff I produced with the OP-1 sounded like video game music or music for a kid's cartoon (i.e., Adventure Time). If that's your thing, then awesome! If not, I'd consider the core tonal possibilities before you make a big investment.