I agree in principle ...
Problem is: Define "blatant."
At the time of registration,
- How do the registrars know you're not an authorized representative of the mark holder?
- How can the registrars know how you're going to use the name? (Since tm's are assigned to classes of goods and services, usage is important. Also, consider nonprofit "sucks" sites and fan sites, authorized resellers like car dealerships ...)
So their terms and conditions put the burden on the registrant.
Acknowledging there "might" be a problem with a certain registration could ironically put them at greater legal risk, even if it's done in an attempt to deter infringement.
That said, do any of the registrars even have any educational material (about the legal aspects of registering/using a domain) on their sites?