This is a tough one, it's kind of like asking on an Iphone fan page if the Iphone is worth it, "worth" is very subjective.
I own a Umnumzaan and a 25, and some others over the years, I used to EDC the Zaan a lot. To me I still see fit/finish/tolerances that CRK does better than just about anyone else. You really need to handle one to feel the solid feeling/sounding locking action and also the hydraulic smooth resistance opening.
That being said, I believe the fit/finish gap has closed over the last 20 years. There are a lot of very good production knives out there now with great fit/finish at half the price. Frankly though that has nothing to do with the performance of the knife actually cutting things. It's kind of like having perfectly even door/hood/trunk gaps, it signifies high attention to detail and quality, and usually higher price, but has NOTHING to do with the function of the car.
If there's one place I think CRK opens themselves up for criticism it's the blade steel. S35vn is a great all-around steel a great mix of edge holding, corrosion resistance, and toughness (it also doesn't hurt that it's very "cost effective" for makers because it's so easy to grind/heat treat). For me there are just too many production knives these days that offer blade steels that are vastly superior in edge holding to S35vn, especially at RC 58-59. We don't see many posts about S90v, S110v, M4, CTS-20cp, CST-204p M390, etc. from any company under normal folder use with edge chipping problems. So toughness of those steels seems to be adequate for most. I also don't find those steels much harder to touch up/maintain than S30v/S35vn, a few extra swipes on the sharpmaker maybe and they are back in business. Now a full re-profile sure that can be way more work.
In the end it depends on where you sit on the form/function debate. For me I lean heavily toward function and now that I've picked up a few knives with much better edge retention I find myself carrying my CRKs less and less. It's just disheartening how quickly they dull in comparison. However, they still puts a smile on my face every time I open one up like few of my knives can.