Now, $2000 would be worth it to shut down a scammer like that, except nothing stops them from simply ignoring the UDRP claim and once their domain is shut down, they can register autotempests.com or something for another 10 bucks. (They actually did end up registering autostempestgroup.com and several others.)
On the other hand, if you could simply go to the registrar, show clear evidence of the very obvious infringement, and have them shut down the domain, perhaps it would actually be feasible to put a dent in that kind of scam.
I do understand the concern of having a private company like Namecheap be the judge in these matters, but I'm not sure it's as black and white as that. I could see a system working where they do take unilateral action on obvious cases (autostempest, whatsappdownload.com, faceb00k, etc.), but require the formal process for less clear cases.